Question: Q: What are the two components of the autonomic nervous system? Choices: - empathetic and sympathetic - crystallisation and sympathetic - neurons and sympathetic - parasympathetic and sympathetic A:
Answer: parasympathetic and sympathetic

Question: Q: Where is the potential energy of a river the highest at? Choices: - the middle - the ocean - the bank - the source A:
Answer: the source

Question: Q: A goiter is a visible indication of deficiency of what? Choices: - arsenic - chlorine - water - iodine A:
Answer:
iodine