In my opinion we would not have clouds because the clouds is our water vapor
Answer: Substrate of Amylase enzyme is starch.
Explanation: Amylase enzyme is used to speed the chemical reaction of hydrolysing starch, a polymer of glucose, to maltose. Starch is a polysaccharide so basically the amylase enzyme breaks down this polysaccharide (many sugars) with the aid of water to disaccharide (two sugars).
The answer is (b). I think