Answer:
"Scientists are not close to knowing the exact processes that took place on the earth which led to the origins of life. They may never know the exact answer because the evidence for this very primitive life has probably been destroyed by the more efficient life which evolved from it.
Explanation:
From the table, we can see that P and Q represent water. (Option B)
<h3>What does P and Q represent?</h3>
We know that the liquid range of water is 0 - 100 degrees Celsius. Within this temperature range, water exists as a liquid substance.
Looking at the table we can see that the temperatures of P and Q are 50 and 100 degrees Celsius respectively hence both P and Q represent water.
Learn more about temperature:brainly.com/question/11464844?
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Answer:
They are a membrane bound clusters or set of starch grains just like amyloplasts in plant cells. They acts like a gravity sensors. Starch statoliths are the main components which are found in root tips at cells. They are very much close to the vascular bundles in shoots. Statoliths pressurize on the membrane systems which are located inside the cell eg endoplasmic reticulum which results in differential growth.
<span>It would be replaced in cases where new information and evidence would be discovered that completely contradicts the old information and evidence. Then you couldn't revise it because revision incorporates the old evidence that would now be obsolete. Then you would make a completely new theory.</span>
