HELP FAST WILL MARK BRAINLIEST Elements bond together to make molecules essential for living things. Which of the following is used to build nucleic acids and some lipids? (3 points)
Nitrogen
Phosphorus
Potassium
Calcium

What best explains why atp is regarded as a renewable resource within the cell

Bob, a nutritionist who works for the university medical center, has been asked to prepare special diets for two patients, susan and tom. bob has decided that susan's meals should contain at least 320 mg of calcium, 17 mg of iron, and 42 mg of vitamin c, whereas tom's meals should contain at least 280 mg of calcium, 13 mg of iron, and 34 mg of vitamin c. bob has also decided that the meals are to be prepared from three basic food

Why are trees green on top sometimes and brown down low sometimes. complete sentences peoples!