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NISA [10]
3 years ago
11

Definition of carbon cycle

Biology
1 answer:
lora16 [44]3 years ago
7 0
The carbon cycle by which carbon is exchanged among the biosphere, pedosphere, geosphere, hydrosphere, and atmosphere of the Earth.
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Think about a large pile of rocks the rock at the top of he pile has more ___than all the other rocks
DiKsa [7]

Answer:

i dont understand

Explanation:

please elaborate on the question..........

4 0
3 years ago
Why do you think it is important to take an average resting heart rate versus relying on one value alone? what are some factors
Marina CMI [18]
2) One value might be distorted; for example it is usual that a heard rate right after sitting down can be higher than the rest rate. Other factors that might affect this is the rate of breathing, exercise. We also have that some bleeding can affect this. Finally, the point that you use to measure the heart rate can also be important in making correct measurements.
1)Taking multiple heart rates leads to more reliable results because you can use the mean and not a single value that might be far off it. You avoid thus the effects of the factors above that happen often enough so that we would appear to be ill many times when we are perfectly healthy; In scientific terms, there is some variance in measurements and that is fine.
3) Even if their resting heart rates are the same, they can react differently to stress. One reason is having low iron in your blood; it is essential for transferring oxygen in your blood and thus it is esssential when one does gymnastics. A person with low iron will have a higher pulse to accomodate his cells' needs for oxygen. The same applies to persons with breathing problems or different fitness (even if the resting heart rate is the same). Also, there could be the case that genetically one has less mitochondria and this also affects oxygen and blood needs in exercise.
4) The average rate for adults is 60-100 beats per minute. While this is not abnormal, it is rather high. An examination might be advised to see what leads to such a high bpm rate. If this yields nothing, it could be that due to age and physics reasons this is normal.
7 0
4 years ago
Evidence for evolution (please answer all)
soldi70 [24.7K]
I can't read the paper, so all I can say is read Darwin's Survival of the Fittest and you will understand evolution.
8 0
3 years ago
Which of the following does not occupy the bottom of an energy pyramid?
SVEN [57.7K]
Well a,b and c are plants


But d) Zooplankton is a type of animal and does not belong at the bottom of the pyramid. 


Good luck! (: 
6 0
4 years ago
Read 2 more answers
Which of the following adaptions will help a plant survive in the desert?
Soloha48 [4]
A is correct. We know that water buildup is essential for plants (and all other organisms) that live in the desert due to its lack of moisture. So, the question is simply asking which adaptation will help a plant retain the most water in the desert. Here’s what makes each wrong or right:
A. Stem that stores water - Having stems that can retain a lot of moisture and water is absolutely necessary for plants that live in hot and dry biomes. The brief periods of rain in the desert make it easier for plants with water-storing stems to absorb the water and remain hydrated throughout their time. This is referred to as succulence, and most (if not all) plants in the desert are succulents. This is the correct answer!
B. Shallow root system - Many plants that live in deserts tend to have shallow root systems that allow them to quickly absorb and moisture in the environment — and because water never goes too far in the desert, they soak most of it up. Although this is helpful, it is better for plants that live in places with a lot of soil.
C. Large surface area - Having a large surface area is more useful for photosynthesis and may result in dehydration. This is wrong!
D. Flat broad leaves - Again, this adaptation is more favorable for plants that do not live in the desert because, as we know, photosynthesis requires water.
3 0
3 years ago
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