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Xylem passively and unidirectionally transports water (by osmosis) from the roots to the leaves of a plant, whereas phloem uses active transport to bidirectionally transport food from the leaves to growin...

The basic type of conditioning is classical conditioning first demonstrated by Pavlov and his dogs whereby Pavlov demonstrated an association between a bell and the giving of food, resulting in the dogs b...

Narrative voice is the perspective from which the writer has chosen to construct their work. Although the reasons why this choice was made may not be obvious, it is necessary to first identify what the vo...

The probability of passing at either the first or second time round is P(passing first time) + P(taking the test for a second time then passing)
= 0.7 + (0.85 x 0.3)= 0.7 + 0.255= 0....

Use the crab claw method to expand the bracket. Draw two lines above the equation from the 2X, one to the 3X and one to the -1. Draw another two lines below the equation from the +3, one to the 3X and one...