What can replace Mg in Mg(NO3)2

Which describes interactions between substances and stomata during photosynthesis? check all that apply. oxygen enters stomata. oxygen is released through stomata. carbon dioxide enters stomata. carbon dioxide is released through stomata. hydrogen enters stomata. hydrogen is released through stomata.

Geothermal energy for industrial use is available almost anywhere. a.true b.false

How does the viscosity of magma change as magma cools?