What is referred to as the age compared with the age of other rocks

What is the most appropriate method of gaining weight (muscle mass)

What is the main function of the central vacuole in a plant cell? a. absorbs energy from the sun to produce food b. holds water and maintains turgor pressure c. breaks down molecules to release energy d. contains the cell's genetic material

Which substance contains thylakoids? a) nadph b)atp c)stroma d)chloroplast