Answer:
B.) Carbon and Hydrogen
Explanation:
Lactose is a carbohydrate, and carbohydrates are primarily made of carbon and hydrogen chains.
Answer:
both could be correct
Explanation:
It usually depends on how fast or how severe the change is, if its mild or happenes slowly over time they may adapt, if it is extreame or happenes very quickly the species could very well die out.
Answer:
People drink water that has been contaminated by animal feces
Explanation:
The answer to this is Lipids, nucleic acids, proteins, glycerol and fatty acids.