2. What are the 6 biomes of the world?

Which compound most likely has the greatest bond energy?

What is formed when amino acids form long chains or polymerize

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