Which of these is evidence of sea floor spreading? A Mt. Fuji Japan
B Great Rift Valley in Africa
C Mid Atlantic Ridge
D Mt. Everest Nepal

Which of the following is an effect of the uneven heating of the earth by the sun? a sea breeze a land breeze a convection current all of the above

Science which of the following is an example of a cyclic behavior that is seasonal? i think the answer is d, i just need to double check : ). a. running from predators. b. searching for water. c. hunting at night. d. migrating for warmth. ***

24. how are vaccines used to keep people healthy?