16. What causes upwelling in the oceans? A coral reef construction
B. photosynthesis reactions
C. Winds and ocean currents
D. animal migration patterns

What type of reaction fuels the processes seen here?

Find the number of moles of argon in 364g of argon.

Which best describes the present-day universe? opaque, expanding very slowly, stars produce heavy elements transparent, expanding at an accelerated rate, stars produce heavy elements opaque, expanding at an accelerated rate, stars produce only hydrogen and helium transparent, expanding very slowly, stars produce only hydrogen and helium