Calcium because it is responsible for making our bones strong, thus allowing us to perform many activities.
Answer:
Water is a reactant during the process of photosynthesis.
Explanation:
Photosynthesis is a process in which water is absorbed by the plant from the soil and carbondioxide enters through a tiny opening called stomata. When both water and carbondioxide react with each other in the presence of sunlight producing oxygen and glucose. Oxygen is released in the atmosphere through stomata while glucose is stored in different parts of plant body.
<span>An operon is an arrangement of genes consisting of an operator, a promoter, and a repressor.</span>
Answer:
middle= This is the part through which sound travel inside the ear to the eardrum through the auditory canal . sound causes the eardrum nad it's tiny attached bones in the middle portion of the vibration and conducted to the nearby cochlea
inner part= the cochlea is the part of the inner ear . its main function is to transform sound into nerve impulses......