Explain the "air-sea gas exchange" and what gases are involved.

Use this diagram of an animal cell to answer the question. where does the first stage of cellular respiration occur? w x y z

Describe the change in phase and temperature as water moves from the oceans to the atmosphere and then returns to earth again as rain. a) evaporation : temperature increases; condensation : temperature decreases; precipitation (rain) : temperature decreases b) evaporation : temperature increases; condensation : temperature decreases; precipitation (rain) : temperature increases c) evaporation : temperature decreases; condensation : temperature decreases; precipitation (rain) : temperature decreases d) evaporation : temperature increases; condensation : temperature increases; precipitation (rain) : temperature decreases

Adistinctive characteristic of mammals that is not observed in other vertebrates is