<span>metabolism is "a set of chemical reactions" which basically provides you with energy (via the breakdown of sugars/carbs etc). The faster your body is able to break these down, the faster your metabolism and the more energy you will have.</span>
Carbon dioxide can be involved in the carbon cycle in two ways: carbon dioxide and water can be consumed by plants together with the aid of the sun to produce energy, oxygen and food. On the other hand, carbon dioxide can also be produced together with water through respiration by reacting sugar and oxygen.
Saliva is not excreted by the human body.
Carbon dioxide is excreted by respiration.
Urea is excreted by urine.
Salt is excreted by sweat.
Answer:
B: sample 4
Explanation:
This is because amino acids are basic units for proteins
