the answer is b because it works with/ around atoms
Amino acids contain nitrogen, in which helps make proteins in your muscles, skin and hair, otherwise if we had none, we would probably just wither away
Irrigating pasture land during times of water stress and drought.
Answer:
Plants need water and sun to create their food source, glucose. When the plant was left in the closet it didn't have access to the sun. One of the requirements of life is that all living things need energy/have a metabolism. Without food the plant eventually died.
Answer:
D
Explanation:
The first step in DNA replication is to 'unzip' the double helix structure of the DNA molecule. This is carried out by an enzyme, called helicase which breaks the hydrogen bonds? holding the complementary bases of DNA together