Which reason best explains why living things need carbon? Carbon bonds are a source of energy.
Carbon levels reduce global temperatures.
Carbon acts as an important solvent.
Carbon is everywhere.

Heat from earths interior and pressure from overlying rock transform the remains of marine sediments into

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 transport tubes for food coming down the plants are called?