Q: What element has an atomic number of 6? Choices: - silicon - oxygen - hydrogen - carbon A:
carbon

Q: Intermediate filaments tend to give the structural stability to what? Choices: - nerves - proteins - muscles - cells A:
cells

Q: Q: The thick tunica media allows muscular arteries to play a leading role in what? Choices: - inhibition - vasodilation - accumulation - vasoconstriction A:
A: vasoconstriction

Question: Q: Plants need sunlight for what process? Choices: - metamorphosis - cyclogenesis - glycolysis - photosynthesis A:
Answer: photosynthesis

*Question*
Q: What process provides over 99 percent of the energy for life on earth? Choices: - farming - glycolysis - fracking - photosynthesis A:
**Answer**
photosynthesis

Q: What is the first digestive organ that food enters? Choices: - intestine - digestive system - kidneys - mouth A:
mouth