In the mouth, an enzyme called amylase starts the digestion of starch by breaking it down into_pancreatic amylase

what have fossils ever done for you

b. read the phase at the intersection of any given temperature and pressure.

all these collisions do one thing, and that thing is explained in the last option. when dusst, rocks and ice collide, they harden and form giant layers of rocks or hard ice.

d)   to harden materials to form different parts of earth’s layers

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bioteacher101