Can someone answer my questions on biology. i have a time limit .

The condition in which joints are inflamed is bursitis select the best answer from the choices provided ot f

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.

How many major plates cover the earth