PLS HELP WILL GIVE BRAINLIESTAll living things use energy and release gas as a waste product. What cycle explains the circulation of these gases? O A) Water cycle
O B) Oxygen-Carbon cycle
O C) Nitrogen cycle

Viruses can be transmitted through air, water, food, insect bites, and direct skin contact. once a virus gains entry into the body, it invades a host cell in order to? a. synthesize antibodies for defense b. deactivate the host cell's defenses c. access cell processes for reproduction d. metabolize host proteins and grow