Question: Q: What nerves are connected to the spinal cord? Choices: - primary nerves - posterior nerves - superior nerves - spinal nerves A:
Answer: spinal nerves

Question: Q: What corrosive substances capable of dissolving many metals can cause contamination if spilled? Choices: - salts - bases - ions - acids A:
Answer: acids

Question: Q: What branch of science aims to understand all about our planet and its environments? Choices: - biology - immunology - petrology - earth science A:
Answer:
earth science