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As a river flows across a valley over time it will meander in order to find the path of least resistance through patches of soft and hard rock. As the river meanders it erodes the outside of the bend (...

Peristalsis is the mechanism by which gut muscles contract. There are two main types of muscle in the gut:

-longitudinal

-circular

Together, these muscles cont...

The best method would be to follow the PEA technique. PEA stands for:
POINT
EVIDENCE
​ANALYSIS

First make a point about the given text. Then provide evidence by quoting ...

First eliminate fractions;

    Multiplying both sides by (x-4) gives;

    (2x+3)-((2x-8)(x-4))/(2x+1)=(x-4)

    Multiplying both sides by (2x+1) gives;

1) enzymes are biological catalysts that will speed up reactions by reducing activation energy for the reaction. 2) Lock and key theory concerns how the enzyme (lock) only forms a reactive complex with...