Answer:
There are 2 key variables in each experiment: the experimental variable and also the dependent variable. freelance variable: What the mortal changes or what changes on its own. Dependent variable: what's being studied/measured.
Explanation:
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Answer:
Explanation:
Percolation in terms of biology means filtration of a liquid substance through a porous medium.
They use two different systems - xylem moves water and mineral ions from the roots to the leaves - phloem moves food substances such as sucroseand amino acids from leaves to the rest of the plant.