10 points! Choose the right answer
Answer:
The right ans is option A ...It helps in the tranfer of minerals from the soil to plant
identify the food preservation method described.
question: A technique of placing the food undernloa temperature to maintain it's freshness.
Answer:
-Crygenic freezing
Explanation:
(Hope's it's Help)
Jason’s bathroom has two cotton bath mats in it, X and Y. Which bathmat will absorb water more quickly? Explain your answer to part a.
It's an ultra-absorbent bath mat soaks up an impressive amount of excess water quickly and efficiently, to keep your floor clean and slip-free.
Cotton bath mats are some of the most absorbent and comfortable models available. ...
Bamboo mats are durable and stylish.
Teak is a sensible alternative to bamboo.
Microfiber bath mats are reasonably priced and comfortable.
What is the difference between a bath rug and a bath mat?Bath mats are the absorbent, non-skid pads that you throw down in front of your shower or tub. They're specifically made for preventing slips and post-shower puddles. Bath rugs, on the other hand, are fluffier and lend more to the look of a luxurious and guest-friendly bathroom.
Thus, this could be the answer.
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Drag each tile to the correct box. Not all tiles will be used. One statement is an example of a scientific observation. Another statement is an example of a scientific explanation. Identify the correct statement for each category to illustrate how scientific explanations are inferred from scientific observations.
Statements 1, 3, and 6 are scientific observation while statements 2, 4, and 5 are scientific explanation.
What is a scientific observation?A scientific observation can be defined as an active acquisition of knowledge (information) through one of the sense organs, while using scientific tools and instruments.
In this scenario, some examples of a scientific observation are:
"Cloning has the potential to significantly benefit a great many people, so it should not be considered immoral or risky.""The age, type, and composition of ancient rocks in western Africa are nearly identical to the age, type, and composition of rocks in eastern South America.""The rocks present in western Africa and eastern South America formed at the same place and at the same time."What is a scientific explanation?A scientific explanation can be defined as a type of statement that is used to provide adequate information on the reason for an event, process or phenomenon, especially after drawing an inference.
In this scenario, some examples of a scientific explanation are:
"The cloning of organisms is an exciting area of study, and more resources should be be devoted to it.""Even if modern organisms are found in ancient portions of the fossil record, this wouldn't challenge the theory of evolution in any way.""A scientist thinks that he might find serious inconsistencies in the fossil record if he conducts an excavation in a new location."Read more on scientific observation here: https://brainly.com/question/24137634
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How does the structure of a lymph node allow immune cells residing within the lymph node to perform their protective function?
Answer:
Each lymph node is well-supplied by both lymphatic vessels and blood vessels, which allow lymphocytes to enter and exit. The nodes are contained within a tough capsule, and surrounded by specialised fatty deposits, both of which may give some physical protection.
Explanation:
Evidence of evolution
Natural selection has to do with organisms being best suited for their environment surviving and reproducing more often.
What is natural selection?It is a process by which living organisms evolve.
The natural selection theory was proposed by Darwin. It states that organisms with traits that enable them to adapt better to the environment survive better and contribute more to the future population.
In the process of reproduction, the adaptive traits are passed to future generations. Thus, the future generation would be made up of individuals with adaptive traits.
Weak individuals without the adaptive traits gradually fade off from the population.
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In an experiment, a snail was observed to have moved a distance of 0.5 meters in 2 hours. What rate of movement was observed in this experiment?
The rate of movement was observed in this experiment as 0.25 m/ hour.
How, explain your answer?A rate of movement is essentially a speed measurement, where you divide the distance crossed from point A to point B by the time it took to do it.
o, we know the snail moved a total distance of 0.5 meters. that's our distance crossed.
We know that took 2 hours. so we just have to calculate that:
0.5 meters / 2 hours = 0.25 m/hour
Thus, The rate of movement was observed in this experiment as 0.25 m/ hour.
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A solution that is a 4 on the pH scale is a?
O weak acid
O strong acid
O weak base
Ostrong base
Answer:
Weak acid
Explanation:
correct me if I'm wrong
what important services do forest provide? how might their destruction have an effect on humans?
Answer:
forests provide us alot of things such as -
clean air, food to eat, fuel, shelter, fibers and more
they also help us by controlling floods and controlling soil erosion.
when we cut down trees we lose everything the forests give us and it would affect us in many ways
such as- more floods will come and soil erosion will happen , we will lack food, fresh air, fuel, fibres and more
Explanation:
The cichlid is a colorful fish found in freshwater lakes. There are over a thousand species of cichlid fish today. If a species of cichlid became extinct, the niche the fish filled within the ecosystem would be left open. Explain how an available niche after extinction can lead to speciation
The idea behind an available niche after extinction leading to speciation is: the fact that those species can grow distinct and then in other to survive develop new traits.
Meaning of speciationSpeciation can be defined as a process that births new species with different traits while they evolve.
Speciation occurs when extinction is eminent and most time in other to preserve that race they evolve into something new with new traits.
In conclusion, The idea behind an available niche after extinction leading to speciation is: the fact that those species can grow distinct and then in other to survive develop new traits.
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7. Did either of the Voyagers visit Pluto? Why didn't the Voyagers fly by Pluto?
Answer:
Both Voyagers flew beyond the orbit of Pluto/Neptune in 1989, but neither flew by Pluto, which was elsewhere in its orbit at the time. It was never planned that the Voyagers would visit Pluto.
Explanation:
Why didn't the Voyagers fly by Pluto? Both Voyagers flew beyond the orbit of Pluto/Neptune in 1989, but neither flew by Pluto, which was elsewhere in its orbit at the time. It was never planned that the Voyagers would visit Pluto. The original mission of Voyager was to explore Jupiter and Saturn.
only answer if you know! no spams! :)
Answer:
D. genus; species
Explanation:
Name two types of evidence scientists use to support the theory of evolution.
5:18 science unit test part 2
100 POINTS TO WHOEVER ANSWERS!!!
How can people preserve genetic variety in plants grown by grafting or splicing?
There are many reasons are specific to the plant and our needs but remember this, without us modifying plants we would have been extinct thousands of years ago, everything you eat today does not exist in nature and if it does exist is either inedible, toxic, or too small to provide important nutrition.
What is grafting?When the tissues of plants are joined together to let them continue their growth together as one, then such a practice is known as grafting.
Grafting is commonly practised in horticulture and agriculture for the growth of commercially important plants in an asexual manner.
In the process of grafting, the upper part of the combined plant is known as the scion and the lower part is known as the stock.
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how are GPS satellites are used to monitor faults?
Answer:
This satellite network allows scientists to measure tiny movements of receivers placed on the ground on opposite sides of a fault. GPS satellites can be used to detect horizontal movements along a fault as well as vertical movements, like changes in elevation or tilting.
Explanation:
.GPSIII Satellites Have 3X Better Accuracy & Up To 8X Improved Anti-Jamming Capabilities. Customer Focus, Innovation & Purpose Are Built Into...
what do you need to know to describe the velocity of an object
4.
During childbirth stretching of the uterus triggers the
secretion of the hormone oxytocin, which stimulates uterine contractions and speeds up labor and
delivery of a baby.
5.
The body regulates blood pressure in a process in which
nerves sense the blood flow resistance associated with higher blood pressure; the nerves relay
this message to the brain; the brain then slows down the heart rate and dilates the blood
vessels, lowering the blood pressure. ARE THESE NEGATIVE OR POSITIVE FEEDBACK
Answer:
1. Positive Feedback
2. Negative Feedback
Classify the enzyme inhibitors by giving the names, mechanisms, and effect on the kinetic parameters Km and Vmax.
Enzyme inhibitors are either competitive, uncompetitive or non-competitive inhibitors and have different effects on Km and Vmax.
What are enzyme inhibitors?Enzyme inhibitors are substances which inhibit the catalytic activity of enzymes.
Enzyme inhibitors are classified into three:
Competitive inhibitors - compete with substrate for enzyme binding site. They have no effect on Vmax but increases Km.Uncompetitive inhibitors- bind to the enzyme–substrate complex. They decrease both Vmax and Km.Non-competitive inhibitors- bind to another site on the enzyme. They have no effect on Km but Vmax is decreased.Therefore, the enzyme inhibitors are either competitive, uncompetitive or non-competitive inhibitors and have different effects on Km and Vmax.
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At the scene of the crime, the evidence collector found a damp, bloody
shirt. The evidence collector quickly wrapped the shirt in a paper bindle. He
inserted the paper bindle with the shirt into an evidence bag. The bag was
sealed with tape, and the collector wrote his name across the tape. The
evidence collection log was completed and taped to the evidence bag. What
did he do incorrectly?
the answer is the collector wrote his name on across the tape if it is wrong tell me tho okay
Explain how the process of natural selection can account for
the increase in frequency of the antifreeze protein gene in the
icefish population.
The antifreeze molecules allow icefish to live in subfreezing water by filling voids in existing small ice crystals and preventing the annexe of more ice molecules. Ice crystal development is thus effectively prevented.
Where are antifreeze proteins found?Antifreeze proteins (AFPs) are natural antifreeze components initially seen in polar fish; AFPs can attach to ice and thereafter inhibit the development of the ice crystals. Fish can inhabit (−0.7 °C) of their blood serum by the integrity of AFPs.
Thus, this could be the answer.
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which of the following could be a hypothesis for what a rattlesnake eat
This is the complete question.
Which of the following could be a hypothesis for what a rattlesnake eats ?
A. If there are no mice an ecosystem a rattle snakes moves to another ecosystem
B. The remains of mice have been found in the stomach contents of rattlesnakes
C. A rattlesnake eats mice and other small rodents
D. What food sources are available in the snakes habitat
If there are no mice in an ecosystem a rattlesnake moves to another ecosystem. this could be a hypothesis for what a rattlesnake eats. Thus, option "A" is correct.
How is a hypothesis formed?A hypothesis is a prediction made before an experiment is carried out. If [CAUSE], then [EFFECT], because [RATIONALE], is a popular format.
Strong hypotheses in the area of experience optimization are made up of three parts: a problem statement, a proposed solution, and an outcome.
Here the snake moving to a different habitat is the (EFFECT) because of the absence of mice in the environment (CAUSE). hence the RATIONALE is that rattlesnake feeds on the mice.
Thus, option "A" is correct.
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An organism that has cells that lack a nucleus are called
Answer:
The answer is Prokaryotes
Answer: Prokaryotes
Explanation:
Prokaryotes are organisms whose cells lack a nucleus and other organelles. Prokaryotes are divided into two distinct groups: the bacteria and the archaea, which scientists believe have unique evolutionary lineages.Lymph is collected from the body’s organs.
Lymph is a fluid similar in composition to blood plasma. It is derived from blood plasma as fluids pass through capillary walls at the arterial end.
The lymphatic system collects excess fluid that drains from cells and tissue throughout the body and returns it to the bloodstream, which is then recirculated through the body.
Spleen: This largest lymphatic organ is located on your left side under your ribs and above your stomach.
What geologic activity is especially
associated with the San Andreas fault?
A. volcanoes
B. earthquakes
C. mountain building
D. mudslides
Answer:
earthquakes
Explanation:
Answer:
Earthquakes
The San Andreas Fault System has a historic record of moderate to great earthquakes. The surficial expressions of the two greatest historic earthquakes on the San Andreas are fairly well documented. The great San Francisco earthquake of 1906 was similar in magnitude to the great Fort Tejon earthquake of 1857.
(c) Wheat is another member of the grass family. Wheat grain is used to produce flour.
The mass of grain is sometimes used as a measure of the amount of photosynthesis
which has taken place in the wheat plant. However, it is better to use the mass of the
whole plant as the measure.
Explain why.
It is better to use the mass of the whole plant as the photosynthetic measure because grains only represent a fraction of the weight.
What is photosynthesis?Photosynthesis is a series of chemical reactions that plants use to produce carbohydrates (biomass) by using light energy.
Photosynthesis is responsible to generate all plant biomass, including the comestible fraction of the plant.
In conclusion, it is better to use the mass of the whole plant as the photosynthetic measure because grains only represent a fraction of the weight.
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Many countries around the world are spraying aerosols (condensation nuclei) into the atmosphere. What effect will this have, based on what we learned from the 1.06 lab? Question 20 options: More condensation nuclei - more cloud formation and precipitation More condensation nuclei - less cloud formation They shouldn't light a match when alcohol vapor is present in the atmosphere There is no effect. They are dong it for defense reasons.
More condensation nuclei, more cloud formation and precipitation are the results of spraying aerosols into the atmosphere.
What are the effects of aerosols on clouds?Aerosols greatly influence clouds formation and its growth. Water droplets gather readily around particles which provides a particle-rich atmosphere that promotes cloud formation.
So we can conclude that more condensation nuclei, more cloud formation and precipitation are the results of spraying aerosols into the atmosphere.
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4. Based on the wintertime La Niña weather map, what do you think Florida's temperature and precipitation would be like during a winter El Niño event?
If the La Nina occurs, the Jetstream will be further north during the event. This has to do with the chilly temperature in the Great Lakes.
What is La Nina?Strong winds carry warm water towards Asia during La Nia episodes, causing upwelling along the west coast of the Americas. This means that in the Pacific, cold, nutrient-rich water rises to the top, pushing the jet stream northward.
In the winter, La Nina is associated with drier and warmer weather, which shifts to snowstorms in a northerly direction.
The lower southern region will have drier circumstances, while Florida will experience warmer than normal temperatures. As a result, Florida's winters will be moderate, with temperatures ranging from 5 to 18 degrees Celsius.
As a result, it will not experience the same conditions as the winter El Nino.
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A student completed a lab report. Which correctly describes the difference between the “Question” and “Hypothesis” sections of her report?
A.“Question” states what she is asking, and “Hypothesis” states the result of her experiment.
B. “Question” states what she is asking, and “Hypothesis” states what she thinks the answer to that question is in “if . . . then . . . because” format.
C. “Question” describes what she is trying to find out, and "Hypothesis" states the procedures and methods of data collection.
D. “Question” describes what she is trying to find out, and “Hypothesis” states any additional information or prior knowledge about the question.
“Question” states what she is asking, and “Hypothesis” states what she thinks the answer to that question is in “if . . . then . . . because” format. The correct option is B.
Research questions and hypothesesResearch questions are phenomena being queried upon which a research is set up. The results from the research will answer the questions being asked.
Hypotheses, on the other hand, are tentative guesses made before conducting the experiment associated with the research. They are falsifiable statements of what the answers to the research questions will be. If the results support the statements, they are accepted, otherwise, they are further scrutinized scientifically.
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Active
transport requires energy and moves substances
the concentration from
for
low to high concentration. Bulk transport carries susbstances which are too large
transport proteins. It is considered a type of active transport because it requires ATP
for very large
moves substances into the cell by vesicles and includes
substances.
moves substances out of the cell.
Answer:
Active transport mechanisms require the use of the cell’s energy, usually in the form of adenosine triphosphate (ATP).
Explanation:
If a substance must move into the cell against its concentration gradient, that is, if the concentration of the substance inside the cell must be greater than its concentration in the extracellular fluid, the cell must use energy to move the substance. Some active transport mechanisms move small-molecular weight material, such as ions, through the membrane.
In addition to moving small ions and molecules through the membrane, cells also need to remove and take in larger molecules and particles.
Which of the following is
generally true of multistage
rockets?
A. They cannot reach as high of a velocity as
conventional rockets.
B. They are easier to build than conventional
rockets.
C. They lose weight as they progress through
their stages.
D. They resupply themselves with fuel as they
travel.
Answer:
They are easier to build than conventional rockets.