Answer:
About 20 percent of all oxygen produced comes from the Amazon.
Answer:
The endocrine system is a collection of specialised organs (endocrine glands) scattered throughout the body that act to produce hormones.
Explanation:
Some life cycles are the same like complete and incomplete metamorphosis.
Carbohydrates are digested in your mouth, stomach and small intestine. Carbohydrase enzymes break down starch into sugars. The saliva in your mouth contains amylase<span>, which is a starch digesting enzyme.</span>