Q: Where do two or more bones of the skeleton meet? Choices: - junctures - valves - muscle paths - joints A:
joints

Q: How many nonpolar bonds does an oxygen molecule have? Choices: - 5 - 7 - 3 - 2 A:
2

Q: In what process is energy from the sun converted to stored chemical energy in an organism? Choices: - metabolism - digestion - cellular respiration - photosynthesis A:
photosynthesis

Q: What is the name for a combination of elements that acts as a different substance? Choices: - contrast - mixture - solution - compound A:
compound