why are producers important in the coral reef ecosystem? what would happen if they will not be present in the coral reef ecosystem?

Why do consumers feel warmer after eating a meal

Which diagram shows the correct way to represent an ionic compound of magnesium oxide?

Some liquids can be distilled, but only at temperatures that are so high that it is impractical, or so high the compound decomposes. explain why distillation such compounds at significantly less than atmospheric pressure (some degree of vacuum) would solve this problem.