How do you explain Meiosis?

Although there are a limited number of amino acids many different types of proteins exist because..

Aflashlight battery is an example of a) potential energy b) kinetic energy c) thermal energy d) solar energy

Why does meiosis produce cells with half the chromosomes? o a. most of the chromosomes are not necessary to keep an organism alive. b. a gamete needs only half the number of chromosomes because two gametes join together. o c. it makes the gametes easier to move around in the organism. o d. it is faster to produce gametes with fewer chromosomes.