strontium-147 cut into pieces what would be the half -life of each piece?

Answers

Answer 1

Answer:

2.62 years

Explanation:

The half life of a material is the time taken for half of the number of radioactive atoms in a radioactive material to remain.

If a radioactive material is cut into pieces, each piece has the same half life as the whole material.

Hence, if Strontium-147 is cut into pieces, each piece will have a half life of 2.62 years, just as the whole material.


Related Questions

Why do you think many languages can coexist peacefully in some countries and not in others?
Please help!!!!
Thank you to anyone that answers!

Answers

Not everybody understands it

Explain 5 ways how a country can improve it’s sustainability?

Answers

Explanation:

1. Afforestation

2. Recycle

3. Chemical Management

4. Developing work policies

5. Water and electric conservation

Hope you like it

After farmers in the Fertile Crescent developed techniques to transfer water, people no longer needed to __________.
A.
turn to agriculture
B.
settle next to a river
C.
dig irrigation ditches
D.
travel to southern Mesopotamia

Please select the best answer from the choices provided
A
B
C
D

Answers

Answer:

Correct answer is B.  settle next to a river.

Explanation:

B is correct answer as people had to move near the rivers, so they could provide their basic needs for life. Of course with this techniques they didn't need to move that much.

A is not correct because agriculture was their main preoccupation.

C is not correct because this was the main way the moved water from one place to another.

D is not correct as Southern Mesopotamia was the most fertile part of this area.

Answer:

b

Explanation:

As we now know, The greater
an objects mass the greater
its gravitation force (pull) How
does this related to the
relationship between the earth
and the sun? Explain in AT
LEAST TWO complete
sentences.

Answers

Answer:

We all know the sun is bigger then the earth which means it has more mass and gravity, but the earth is decently big as well. this would man that due to the suns greater mass and gravity being ditrubited over many planets like mars and others the gravity would be aroudn arths which would make it enough for them to be qual resulting in a equal pull where nethier pull each other and keeping earth in orbit.

Explanation:

Math the feature or term to the characteristics in column 2



Earthquake

Fault

Himalayas

Subduction zone

To:

When one plate goes under another

Brake in the crust

Caused by continents colliding

Occurs when a fault slips

Answers

Answer:

Earthquake - Occurs when a fault slips

Fault - Brake in the crust

Himalayas - Caused by continents colliding

Subduction zone - When one plate goes under another

Explanation:

The earthquakes occur when a fault slips if we talk about earthquakes that occur at transform boundaries. Basically, the fault slips deeper because of the big pressure it causes on the crust below, and as it does and hits slightly lower it releases huge energy.

The faults form when the crust breaks, and this happens at transform boundaries. Depending on the pressure that will cause the crust to break, they can be caused by vertical or horizontal pressure.

The Himalayas are the tallest mountain chain in the world, and they have formed when two continental plates collided, those plates being the Eurasian and Indian ones.

Subduction zone is a zone where one tectonic plate moves below another tectonic plate, with the denser and lower (or simply much smaller one) goes below the less dense and higher positioned (or simply much larger one) plate.

amino acids building blocks of wich class of macromuoleculces

Answers

Answer:

Proteins

Explanation:

Proteins are polypeptides. This means they are made up of chains of amino acids bound together by peptide bonds. There are 20 amino acids, different combinations of which make proteins with a huge variety of structures and properties.

The sequence of amino acids is determined by the sequence of our DNA, which is transcribed into RNA, before being translated into a polypeptide sequence which eventually becomes a protein.

Write a description. Questions to consider: how is India a subcontinent? What does this represent?

Answers

Answer:

India can be considered as subcontinent because it has a large area, has physical defining boundaries, and lies on a separate tectonic plate.

Explanation:

India is often referred to as a subcontinent. While this may come as confusing, it is actually simple if we apply the basic geographic rules that would define a landmass as such. In order for a landmass to be considered a subcontinent, it has to be clearly defined with physical boundaries, to have a very large area, and to be situated on a separate tectonic plate from the one it is connected with.

India has clear physical boundaries from the rest of Asia, with high mountain ranges, such as the Himalayas and Pamir, being the dividing line. The area that India accounts for is similar to that of Europe for example. Last, but not least, India lies on its own separate tectonic plate, the Indian plate, which has colided with the Eurasian plate tens of millions of years ago, thus giving an impression that it is one, not two separate plates.

Which of the Great Lakes does not form a natural barrier between the United States and Canada?

Answers

Answer:

Lake Michigan :)

Explanation:

I live close to Lake Michigan so that's how I know. Hope this helps u :)

Answer:

Lake Michigan

Explanation:

See the attached image. Lake Michigan is located entirely in the United States and has shores in Wisconsin, Michigan, Illinois, and Indiana. Hope this helped :D

Describe three main ways in which plates move along plate boundaries?

Answers

Answer: The movement of the plates creates three types of tectonic boundaries: convergent, where plates move into one another; divergent, where plates move apart; and transform, where plates move sideways in relation to each other.

What defines the state of Texas as a geographic region?
А.
Its residents all share the same culture.
B.
Its residents all speak the same language.
CO It is a political unit with a central government.
D. It has the same kind of vegetation throughout.

Answers

Answer:

D. It has the same kind of vegetation throughout.

5. This type of architecture is common in the city of San Antonio. What might a geographer conclude
about the cultural character of San Antonio based on this architecture? (5A)
A The spread of religion shaped culture in the area.
B Many cultural groups have migrated to the area.
C Spanish cultural influences are common in the area.
D Newer buildings are being constructed in the area.

Answers

Answer:

It's C. Spanish cultural influences are common in the area.

Explanation:

Spanish cultural influences are common in the area of architecture is common in the city of San Antonio which might a geographer to conclude the cultural character of San Antonio based on this architecture. The correct option is C.

What is the culture in San Antonio?

Hispanic culture is heavily reflected in the food, entertainment, and festivities that Texans partake in. Hispanics were among the first settlers in Texas, and Texas is still shaped by its history. The best place to experience a Hispanic culture is San Antonio, which is home to many Mexican American cultural attractions.

Our city is San Antonio. We also have a vibrant Hispanic culture. Every aspect of Alamo City is influenced by our Hispanic heritage, including our events, cuisine, shops, art, and architecture. Spain established a presence in the New World more than 300 years ago and dispatched missionaries to settle among the indigenous peoples.

Thus, the ideal selection is option C.

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what three tetonic plates are found along the prime merdian?​

Answers

Answer:

eurasian, african, antarctic

Explanation:

African American eurasian

PLS HELP, I WILL REWARD AND GIVE OUT BRAINLIEST!!

Answers

Answer:

Command communist market

Explanation:

Cuba is a communist command economy while other countries in the Caribbean were mixed market economies.

Where are possible solutions to reducing the level of CO2 in the atmosphere

Answers

Answer:

more electric cars

less huge cow farms

less use of fossile fuels

Explanation:

Answer:

Solving climate change is a huge international challenge. Only a concerted global effort, involving the governments of all nations, will be enough to avert dangerous consequences. But that said, the individual actions of everyday people are still crucial. Large and complex issues, like climate change, are usually best tackled by breaking down the problem into manageable bits.

For carbon emissions, this means reducing the CO2 contribution of each and every one of the six and a half billion people on the planet. But what can you, as an individual person or family, do that will most make a difference to the big picture? Here are my top ten action items, which are both simple to achieve and have a real effect. They are ranked by how much impact they make to ‘kicking the CO2 habit’.

1. Make climate-conscious political decisions. Some commentators said that the 2007 Australian Federal election was the first to be strongly influenced by the stance made by competing political parties on climate change. Regardless of how true this may be, it is obvious that the strong and urgent action needed to combat climate change will require a healthy dose of political will, and the courage to make tough choices. This willpower comes from voters, who consistently demand real action and can see through ‘greenwashing’ (pretend ‘solutions’ and half-measures that do not do the job). Climate change should be a totally non-partisan issue since it affects all people and all countries. If climate change is not perceived by both sides of politics as a ‘core issue’, it will inevitably be marginalised by apparently more immediate concerns. So assess policies clearly, and make your vote count towards real climate solutions – each and every election. This is the only way a global solution can be put in place, in time.

2. Eat less red meat. Traditional red meat comes from ruminant livestock such as cattle and sheep. These animals produce large amounts of methane, which is a greenhouse gas that packs 72 times the punch of CO2 over a 20 year period. Other types of meat, such as chicken, pork or kangaroo, produce far less emissions. At average levels of consumption, a family’s emissions from beef would easily outweigh the construction and running costs of a large 4WD vehicle, in less than 5 years. There is no need to cut out red meat entirely, but fewer steaks and snags mean far less CO2.

3. Purchase “green electricity“. The future of energy clearly likes in renewable sources such as solar, wind and wave power and ‘hot rocks’. Even without climate change, there are limits to available oil, natural gas and coal. ‘Green power’ is electricity that comes from these technologies, but is delivered to you in the same way as ‘dirty power’ from fossil-fuel burning. That is, down your power lines. You can buy enough to replace your entire energy usage, or some fraction (I recommend going for 100%; the cost is a few more cents per kilowatt hour of electricity). Most energy suppliers now offer this service and will purchase energy from green sources that is equivalent to what you use. As more people take up this scheme, it will drive ever greater investment in these technologies, reduce cost of delivery, and so further hasten the pace of update. It’s a feedback, and you can be the catalyst of change. [Note some problems with GreenPower here]

4. Make your home and household energy efficient. We all unthinkingly leave lights on when we are not in the room, or switch off the TV by the remote instead of at the wall, fire up the heater on when we could put on an extra layer of clothing, or turn on the air conditioner when we could open the window and turn on a fan. It’s force of habit – a bad habit we can break, with just a little thought. Behaviour change lies at the heart of most individual actions on reducing our individual carbon footprint. By being sensible about your use household energy use, and making sure your house is well insulated, you can make a huge dent in your CO2 emissions. Oh, and it will save you plenty money that you no longer spend on wasted energy, year in, year out.

5. Buy energy and water efficient appliances. Aside from behavioural change, we can invest in more sensible technologies that help us in our day to day lives. When buying new electronic appliances, air conditioners or washing machines, look at their energy and water usage. The more energy efficient they are, the more they’ll save you in the long run, and the lower their CO2 impact will be. In most cases the ‘payback period’ – the difference between the initial cost of a high versus low efficiency appliance and the long-term savings in lower electricity and water bills, is only a matter of a few months to a few years. After that, you are laughing all the way to the bank, and doing something meaningful to combat climate change at the same time.

Brahmins were considered the highest caste because:

Answers

Brahmins were considered the highest caste because they held the most power in Hindu society. This was becuase they were priests which was otherwise known as the spiritual and intellectual leaders of the society.

b) What is the formuls to calculate the perimeter of triangle​

Answers

Answer: P=a+b+c

Explanation:

Answer:

b

Explanation:

Base+side+side=perimeter

the following sentence correct or not :they treated them roughly​

Answers

I'm not sure if you're asking if the sentence is grammatically correct but if so then yes. But I will say that  if a reader only sees that sentence they would be confused on who they or them was since it doesn't provide background information. so in that sense it could be wrong since it confuses the reader on the subjects of the sentence. but thats only if your're trying to identify the noun of the sentence if yk what i mean

Ruling families in classical China were known as
A kingdoms
B dynasties
C royalties
D empires

Answers

The answer is B. Dynasties

Answer:

Dynasties

Explanation:

I just learned this on Edge not so long ago and i ca give you examples like the Qin Dynasty The Zhou dynasty and etc...

Which area of geographical study focuses on examining landforms,soils,and bodies of water?

Answers

Answer:

Physical geography

Explanation:

Physical geography is a geographical study that focuses on examining landforms, soils, and bodies of water.

Geography is the description of the earth. It consists of the natural physical environment and how it influences human interactions.

Basically, there are two branches of geography;

Human geographyPhysical geography

Human geography deals with the interaction between humans and their communities.

Physical geography entails the landforms and other topographic features of an area.

Help this is due in 30 minutes!!

Answers

Silt for the first one, then siltstone for the second one

'humans activities are increasing with economic activities'.How is it affecting the natural vagetation in the world​

Answers

almost all the countries depend on agricultural and production of crops for their development. they have achieved alots of benefits which couldn't be discribed but due to competition among the countries for development . resources are being exploited haphazardly without focusing in the conservation of natural vegetation.

By destroying the natural vegetation of the world

Which materials are moved by runoff? A. nutrients B. vegetation C. large rocks D. paved surfaces

Answers

Answer:

Vegetation

Explanation:

Just took the test. Your welcome. :)

Vegetation is moved by runoff.

Which materials are moved with the aid of runoff?

Runoff is the portion of precipitation on land that ultimately reaches waterways, often with dissolved or suspended fabric. Erosion is the process through which sand, silt, rocks, and sediment are moved from one place to other. Water is the maximum powerful agent of abrasion.

Which function may additionally shape due to erosion associated with runoff?

Rill erosion describes erosion that takes place as runoff develops into discrete streams (rills).

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the dominance of Christianity in Latin american and of Buddhism in Southeast Asia is a direct result of

Answers

Answer:

Correct answer is that this is the result of activity of missionaries.

Explanation:

After Europeans discovered the New World, Catholic church insisted that missionaries should be sent to spread Christianity between the Natives. Many religious orders, including the Jesuits were sent to do this. And the results were amazing, as even today most of the people in this areas are Catholic.

The same goes with Buddhism as the Buddhist missionaries, the so-called Dharma Bhanaks were spreading the religion across these areas.

The dominance of Christianity in Latin America and Buddhism in Southeast Asia is a direct result of cultural diffusion, which occurs when an idea is spread from one culture to another.

To better understand the process of cultural formation of the peoples of Latin America and Southeast Asia, it is necessary to look at the historical construction of these locations.

Brazil, for example, is a country in Latin America that was colonized by the Portuguese who instituted the Catholic religion in the country through Jesuit missionaries who sought to convert the natives who lived there.

Therefore, it is through cultural diffusion that ideas, behaviors, technologies and information are shared from one culture to another.

Find out more information about cultural diffusion here:

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How does supply and demand affect the price of oil?

Answers

Answer: The law of supply and demand primarily affects the oil industry

Explanation: by determining the price of the "black gold." Expectations about the price of oil are the major determining factors in how companies in the industry allocate their resources. Prices create incentives that influence behavior.


Below are two parallel lines with a third line intersecting them.
149 what is the answers

Answers

Answer:31

Explanation:

149-180=31

Match the term in column 1 to the description in column 2 gender empowerment measures- the number of people who do not enjoy the average quality of life. life expectancy-the value of the entire economy. gross domestic product- defines women's share of political and economic power. human poverty index- determines how long people live on average

Answers

Answer: Please see explanation column for answer.

Explanation:  Matching the right term to the right description include:

1.The number of people who do not   the average quality of life-Human poverty index

2. The value of the entire economy--Gross domestic product

3.  Defines women share of political and economic power-(Gender)Empowerment measures

4. Determines how long people live on average - Life expectancy

Answer:

Yea what he said

Explanation:

I did it and got it right

Name the river that the Hebrews settled nearby in Canaan

Answers

Answer: Canaan, area variously defined in historical and biblical literature, but always centered on Palestine. Its original pre-Israelite inhabitants were called Canaanites. The names Canaan and Canaanite occur in cuneiform, Egyptian, and Phoenician writings from about the 15th century BCE as well as in the Old Testament. In these sources, “Canaan” refers sometimes to an area encompassing all of Palestine and Syria, sometimes only to the land west of the Jordan River, and sometimes just to a strip of coastal land from Acre (Akko) northward. The Israelites occupied and conquered Palestine, or Canaan, beginning in the late 2nd millennium BCE, or perhaps earlier; and the Bible justifies such occupation by identifying Canaan with the Promised Land, the land promised to the Israelites by God.

Explanation:

PLS HELP, WILL REWARD BRAINLIEST!!

Answers

I’m my opinion the Brazilian government should stop development in the forest because they are cutting down trees which is home to thousands of species. Also the Brazilian rainforest provides so much oxygen in this planet that it would impact us if it just completely disappeared.

Question 2
During a tectonic plate demonstration, a teacher pushes two pieces of clay together. What kind of plate boundary was the teacher demonstrating?
A
convergent
B
earthquake
С
equator
D
divergent

Answers

Answer:

The teacher is demonstrating a convergent plate boundary.

Explanation:

A is correct because this type of boundary is characterized by two or more plates moving toward each other and pressing each other, with the smaller ones gradually moving below the larger ones.

B is not correct because the earthquakes are a consequence of the plate boundaries and their activity.

C is not correct because the equator is simply an imagined line that is separating the northern and southern hemispheres.

D is not correct because the divergent plate boundaries are the ones where the plates are moving away from each other.

6. Which of the following is/are used to classify a star based on its temperature and luminosity?
A. Line spectra
B. Parallax measurements
C. Blackbody spectrum
D. Hertzsprung-Russell diagram

Answers

Answer:

A. Line spectra

Explanation:

Answer: It is Hertzsprung-Russell Diagram I believe

Explanation:

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