What is the term for the study of weather and climate

According to the law of conservation of energy, energy can neither be created nor destroyed. if this is true, why is there less energy in the top of the energy pyramid than there is in the bottom of the energy pyramid?

Aperson with age is more likely to catch diseases that healthy people usually don’t catch.what are these infections called?

Describe the relationship between isotonic solutions, equilibrium, and water movement into and out of a cell.