B-Bioprocessing for forestry products.
The sucrose move in source to sieve by active transport.
<h3>What is active transport?</h3>
Active transport is a type of transport in which the cell expends energy to move solutes against their concentration gradients. The sodium-potassium pump is an example of active transport. Active transport differs from passive transport in that the cell does not expend energy.
In this case, the sucrose moves from companion cells into source to sieve elements by active transport. This reduces the water potential of the source to sieve element by osmosis, which increases the hydrostatic pressure.
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Answer:
Most of the heavy metals on earth came from outer space from supernovas
This occurs when stars die
Explanation:
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Answer C. Over warm ocean water.
Warm water of the ocean bump into cold air.
<span>True. A valid hypothesis must be testable and able to be verified or disputed empirically, because otherwise it is not a scientific hypothesis. A hypothesis that is not readily testable (for example, about a made up or fictional event) are not good hypotheses.</span>
