I think is the first and second!!
Answer:
if people waste water it might lead to a shortage in the future
Explanation:
Glucose is a product of photosynthesis. Glucose is also a type of starch.
The stem supports the plant and because of the stem the plant is able to grow taller if needed
Answer:
Energy storage, cell structure, signalling.
Explanation:
The functions that lipids serves in the body is - storage of energy, cell structure and signalling. Lipid is an efficient source and storage of energy. It helps in absorption and transportation of fat soluble vitamins ( A, D, E ,K). lipids work as a building block of cellular membrane. Lipids also act as a chemical messanger