Which gas has recently increased in the mesosphere, creating a rise in water vapor which has led to the formation of high-altitude clouds that are visible at night? A) Ozone
B)Methane
C)Carbon Dioxide
D)Hydrogen

Factors that can increase mutation rates a. high temps b. low temps c. food additives d. uv rays

The chemical form of energy that is useable by the cell to do work

Study the picture of the ocean. which is the best example of an organism’s niche shown in the picture? a. the environment contains several of the same species of coral. b. the shallow area of the ocean meets the needs of the coral and the fish. c. the ocean has fish and coral that live in the same area. d. the coral take in food from the water and provide shelter for the fish.