Why is it important to form a hypothesis at the beginning of an experiment?
What is a scientific theory?
What is a scientific law?

Answers

Answer 1

Answer:

cvcccca

Explanation:

ajh


Related Questions

Help please with this assignment

Answers

Answer:  This answer is for all the questions: Chargaff's rules state that DNA from any species of any organism should have a 1:1 stoichiometric ratio of purine and pyrimidine bases (i.e., A+G=T+C) and, more specifically, that the amount of guanine should be equal to cytosine and the amount of adenine should be equal to thymine.

Explanation:

Which of the following is not true during crossing over?

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chiasmata are formed

Does hermatite occur naturally

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Answer:

I would say yes.

Explanation:

Hematite is found as a primary mineral and as an alteration product in igneous, metamorphic, and sedimentary rocks. It can also form during contact metamorphism when hot magmas react with adjacent rocks. The most important hematite deposits formed in sedimentary environments.

I hope I'm correct

Answer:

Hematite is found as a primary mineral. it is naturally formed in sedimentary environments.

Gypsum is a naturally occurring stone, a metallic salt of calcium. It commonly forms as an evaporite from the dissolution of limestone by exposure to sulphuric acid from volcanic activity

So the answer is YES

PLEASE HELP! ILL MARK YOU AS BRAINLIEST‼️❤️what are the molecules that

result from the breakdown of glucose sugar

and six oxygen molecules?

Answers

Answer:  ATP (adensoine triphosphate)

define the functions of endocrine glands​

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Answer:

Endocrine glands release hormones into the bloodstream. This lets the hormones travel to cells in other parts of the body. The endocrine hormones help control mood, growth and development, the way our organs work, metabolism , and reproduction.

Explanation:

to allow movement of the tendons within the carpal tunnel zone, each tendon is encased in a __________.

Answers

To allow movement of the tendons within the carpal tunnel zone, each tendon is encased in a sheath.

The sheath is a fibrous but at the same time serous element that is composed of a viscous liquid called the synovium, which is designed in order to allow the tendons to move with the bones.

The function of the sheaths is to allow a correct sliding between the tendon where it meets the bone through which it passes.

The importance of sheaths for the biomechanics of movements is that if they were not located in the tendons, these tissues would wear out very easily, thus causing injuries such as tenosynovitis.

The best known synovial sheaths are those of the flexor apparatus of the hand, that is to say to the internal and external digitocarpal, in the fibrous band of the foot, and in the long tendon of the biceps muscle.

Therefore, we can conclude that to allow movement of the tendons within the carpal tunnel zone, each tendon is encased in a sheath.

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help please!! will mark brainliest ​

Answers

Answer is the first option Place a metal paper clip on a table and slowly bring each electromagnet closer to the paper clip to see which can attract the paper clip from a greater distance.

I don't know why but I find your questions a bit too easy..

20 características de la giardia lamblia

Answers

Answer:

434234

Explanation:

Air pollution in US National Parks is effecting the environment in what way(s)?
a.
plant damage from ozone exposure
b.
high levels of mercury found in endangered bat species
c.
changes to alpine ecosystems due to nitrogen
d.
all of the above

Answers

The answer is All of the above

Answer:

D

Explanation:

please correct me if I’m wrong, will mark brainliest

Answers

That looks pretty correct to me, all things considered. I don't do well with stuff like this, but I'm pretty sure this is correct.

4 difference between Filametous and colonial

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The Differences are:

1. Colonial organisms appear as a sphere while Filametous organisms appear as a thread.

2. Colonial organisms is a group of individual organism with a close dependent relationship with other organisms while Filametous organisms form a filametous growth.

3. Colonial organisms form a spherical mass of cells while Filametous organisms form an array of cells with an end to end arrangement

4. Filametous organisms are either sessile or floating while Colonial organisms are generally sessile.

PLS HELP ASAP! 20 POINTS! Make a bar graph with the data provided below.

Answers

Answer:

The picture is blank can you repost it?

Explanation:

In 3-5 sentences explain which type of reproduction is more beneficial, asexual or sexual.

Answers

Sexual reproduction can be more beneficial because it allows for more diversity within a species. That means that the species can adapt to changes better and develop traits that help them survive better. Asexual reproduction creates an exact copy of the parents, so there is little to no variation between the parent and offspring. Sexual reproduction ensures the offspring has the traits of both parents, plus has a higher chance of beneficial mutations such as better camouflage.

what is the most durable part of the human body?

Answers

Answer:

the most durable and tough substance in your body is actually a tissue. Encasing your teeth and helping you chew, bite, and tear your food is your tooth enamel. That's the hardest substance in the human body.

Explanation:

The most durable part of the human body is Tooth Enamel.

What is Tooth Enamel?

Tooth enamel is defined as the thin outer covering of the tooth that covers the crown of the tooth. This is the part that we can see outside the gums. This is the outer layer, the enamel is transparent. Dentin is the hard tissue that lies beneath the enamel, and is what gives teeth their color.

Once tooth enamel is damaged, it cannot be restored. Enamel can be restored to some extent by improving its mineral content. Enamel is the durable part of the human body.

While toothpaste and mouthwash can never "rebuild" teeth, they can contribute to this remineralization process.

Thus, the most durable part of the human body is Tooth Enamel.

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The phospholipid by layer is What

Answers

Phospholipids are made up of two layers, the outer and inner layers. The inside layer is made of hydrophobic fatty acid tails, while the outer layer is made up of hydrophilic polar heads that are pointed toward the water.

True or False: When carbon dioxide is in the blood, it is dissolved into bicarbonate.

Answers

Answer:

True

Explanation:

Use each vocabulary term in a sentence.
13. controlled study
14. environmental ethics

Answers

Answer:

Controlled study:

We conducted a controlled study on the two plants.

Environmental ethics:

The man over there is all business he talks of social and environmental ethics.

Explanation:

Hope this helps :}

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And have an amazing day <3

pure water has a pH of_
a. 6
b. 7
c. 8
d. 9​

Answers

Answer:

It has a pH of 7, so your answer is therefore B.) 7.

Answer:

7

Explanation:

which is not part of the conducting portion of the respiratory system?

Answers

Answer:Which is not part of the conducting portion of the respiratory system? The epithelial lining of the oropharynx and the superior larynx (vocal cords) is nonkeratinized stratified squamous. In general, respiratory zone structures are lined with a thicker mucosa than conducting zone structures.

Explanation:

brainliest pls

The part that is not the conducting portion of the respiratory system is the alveoli, which is in option D, as this is not a part of the conducting portion but a part of the respiratory system. So, option d is correct.

The alveoli are small, thin-walled sacs located at the end of the bronchioles in the lungs. They are responsible for gas exchange, where oxygen is taken up from the inhaled air and carbon dioxide is released into the exhaled air. While the alveoli are an essential part of the respiratory system, they are not considered part of the conducting portion. Instead, they are part of the respiratory portion, where gas exchange occurs.  So, option d is correct.

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complete question is below

which is not part of the conducting portion of the respiratory system?

A.heart

B.eye

C.skin

D.alveoli

movement of gas across membranes occurs by which mechanism?

Answers

Answer:

The basic mechanism of gas exchange is diffusion across a moist membrane. Diffusion is the movement of molecules from a region of greater concentration to a region of lesser concentration, in the direction following the concentration gradient.

Hope this helps!

Autotrophs (or producers) capture the sun's energy through a process known as ____ in specialized cell parts known as _____. This energy is converted and stored as _____. Then both autotrophs and heterotrophs use that energy to regenerate ATP. This is most efficient during the process of _____, which happens in a cell's _____.​

Answers

1.) photosynthesis
2.) the chloroplasts
3.) chemical energy- glucose
4.) respiration
5.) mitochondria

How do woodland forests and grasslands differ? Multiple choice question. A) Grasslands have few trees. B) Grasslands have warm weather. C) Grasslands have no birds.

Answers

Answer:

A grasslands have few trees

Explanation:

Which term names the types of elements usually found in meteorites?

Answers

Answer: minerals—pyroxenes, olivines, and feldspars—dominate the stony meteorites. Metals—kamacite and taenite—along with small amounts of schreibersite and cohenite dominate iron meteorites. The following list is a short guide to selected minerals found in meteorites.

Explanation:

Answer:

metals

Explanation:

i took the test

which is a part of the
The aurora borealis is caused by the
thermosphere.

help me papis

Answers

Answer:

The answer to this question is IONOSPHERE

Explanation:

hope it helps ..

have a great day

List 4 examples of limiting factors described in the reading and label each if it would be considered an abiotic or biotic limiting factor.

Answers

Answer:

Explanation:food, water, habitat, and mate.

Limiting factors can be either abiotic or biotic. Examples: Abiotic → water, pH, radiation, salinity. Biotic → predation, competition, parasitism.

What are biotic and abiotic factors?

The ecosystem is composed of living and non-living elements that interact and depend on each other. These are the biotic and abiotic factors.

Abiotic factors are physical and chemical components of the ecosystem. These are the non-living elements.

Biotic factors are all the living components in the ecosystem.

Biotic and abiotic factors influence the survival and reproduction of living beings.

What are the limiting factors?

Limiting factors are environmental conditions that act directly on populations and individuals, limiting their distribution and growth.

These factors might be either biotic or abiotic and affect natality and mortality rate, migration, etcetera.

Limiting factors might be a result of the population density or might be dense-independent.

When talking about dense-independent limiting factors we are referring to

abiotic factors, such as temperature, pH, salinity, humidity, radiation, etcetera.natural disasters like fires, volcanic eruptions, flooding, etceterahuman impact

When talking about dense-dependent limiting factors we are referring to biotic factors and the interactions established between species that control other species' growth.

These are, for instance,

competition, parasitism, and predation

Each species carries out a different role in these interactions.

These relationships and the results are what determine the destiny of the populations and their size.

Now, since I do not have the text, I will suggest a few examples of limiting factors. Take a look at them and then look for some other examples in your reading.

Limiting biotic factors:  

predatorcompetitorparasites

Limiting abiotic factors:

waterpHradiationsalinity

Following this framework, you should look in your reading which limiting factors are described.

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8. How does deforestation impact the soil in an area? 1. It causes the soil to acidify. 2. It causes the soil to erode. 3. It causes the soil to get thicker. 4. It causes the soil to get more basic.​

Answers

Answer:

I would think the answer would most likely be 2.

Explanation:

Brianliest please :)

_________ is required for energy given to proteins in the phospholipid layer.

Answers

Answer:

Trans-membrane proteins.

Explanation:

Membrane proteins are proteins that are found in the cell membranes of living organisms.

Hope this helped!

the group of macromolecules that stores and transmits genetic information is:

Answers

Answer: nucleic acids

Explanation:

which phyla do crinoids and sea cucumbers belong to?

Answers

Answer: phylum Echinodermata

Which statement describes the energy in a food web? Select three options.​

Answers

Answer:single path the last one I think cuz it can only move up

Explanation:

Answer:

Ig , second, third, and fourth,

Explanation:

hope u got it correct

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