Which of the following is the largest factor that determines earth’s seasons?

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.

The similarities of organisms in which two areas numbered above provide the best evidence for common ancestry between organisms in both locations?

In which state was more than 100 billion tons of coal mined in 2005?