Fill in the blank: is the process that splits rock when water seeps into cracks, then freezes and expands. YES I WILL HAVE A LOT OF FILL IN THE BLANK GET READY

the answer to your question is sperm

well for one plants are always the producer, so a is the answer. a wolf is more of the consumer(predator) and the deer is the prey so i know those two are out of the question. also mushrooms are fungi/fungus so a is the producer.

the wetland preservation movement began in the u.s. in earnest with the clean water act (cwa) of 1972. although not specifically written to protect wetlands, the cwa is comprised of a series of regulations designed to prevent pollutants from contaminating u.s. waters.

i think the answer is a.keratin is the pigment responsible for skin color.