What was the most important invention to marine science?

How does a gymnosperm prevent itself from pollinating the same tree

For this question look at the hydropic diagram water that is heated by the sun evaporates. select the number that represents it.

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