I don't know what your question is but if you're wondering what is called when water changes from a gas to a liquid phase the answer would be Condensation
Answer:
The mitochondria is the powerhouse of the cell
I believe the correct answer would be <span>variation. The definition of variation in biology means,</span><span> any difference
between cells, individual organisms, or groups of organisms of any
species caused either by genetic differences or by the effect of environmental factors on the expression of the genetic potentials. So i think that organisms can also be classified as variation. Hope this helped. ♥ ☺
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The answer is B An observation about the number or amount of something