The mixture of gases and conditions in the Earth’s atmosphere make life possible. Most organisms need the oxygen in our atmosphere to survive and the nitrogen there is critical to the building of proteins and nuclei acids. What other important component of Earth’s atmosphere helps to regulate the temperature on Earth? A. Methane B. Water vapor C. Carbon dioxide D. Diatomic oxygen

Which of the following is an example of a policy that may be implemented by a business that has trouble with employees using the internet for their own personal needs? a. all employees will have to take a safety training class. b. employees caught using the internet for personal needs will have to take a professional development class. c. personal interviews will be conducted to find out who is using the internet for personal needs. d. employees will be monitored, but nothing will happen if their employer catches them using the internet for personal needs.

The meseta in spain is a a. navigable river b. castle c. coastal plain d.plateau

One cubic foot is equal to 7.48 gallons how many gallons of water does jose need to fill his aquarium? round to the nearest gallo