Which of these is a process that demonstrates an interaction between the biosphere and the exosphere?
glaciers melt due to heat.
rocks are corroded by acid rain.
sunlight is absorbed by plants.
rainwater evaporates from puddles.

Sea stars, sea urchins, sand dollars, and brittle stars are all memeber of a group, what is the common name of the group they are all in

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.

Which of the following is not considered an appendage of the skin? nails glands follicles none of the above