Q: What are the primary producers in the ocean? Choices: - fish - zooplankton - algea - phytoplankton A:
phytoplankton

Q: Adding carbon to iron makes what type of metal? Choices: - ions - titanium - plastic - steel A:
steel

Q: What are used to balance chemical equations? Choices: - isotopes - densities - outputs - coefficients A:
coefficients

Q: The process of photosynthesis uses chlorophyll, which is located in organelles called what? Choices: - fibroblasts - mitochondria - nucleus - chloroplasts A:
chloroplasts