Well, A humans brain is bigger than a Sheeps brain, And a human has more Ridges and Contours also, Hope this helps
<span>180 degrees, 120 degrees.
The Carbon are all in a straight chain, with the Hydrogen at angles at the end.
From VSEPR theory, the Carbons bond in an AX2 system, and the H C H bond is an AX3 system, which provide the two different angles.</span>
Answer:
Starch
Explanation:
Digestion begins in the mouth. The teeth break down food from chewing through mechanical digestion.
Chemical digestion also begins in the mouth. Saliva moistens food, but it contains an important enzyme called amylase. This enzyme breaks down starch into simple sugars.
So, the first compounds that are digested are starch.
Gas exchange happens in the D. Alveoli