Astudies groundwater and surface water. need a hint? a) climatologist b) meteorologist c) geochemist d) hydrologist

Astudent observes a star from two positions of earth in its orbit, in summer and winter, and measures the change in the position of the star. which of these can be best calculated by this method?

Heat from earths interior and pressure from overlying rock transform the remains of marine sediments into

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