Question

Please answer both questions fast...​

Answer 1

example of periodic motion is i)motion of moon around earth

                                                    ii)motion of earth around sun

14)=

The spines  protect the cactus from animals that might eat them. Very thick, waxy coating to reduce water loss by evaporation .

its spines reduce transpiration

15)=Nutrients are compounds in foods essential to life and health, providing us with energy, the building blocks for repair and growth and substances necessary to regulate chemical processes.

There are six major nutrients: Carbohydrates (CHO), Lipids (fats), Proteins, Vitamins, Minerals, Water.