Q: Initial substances are called reactants, and the final substances are called what? Choices: - exports - imports - reactors - products A:
products
------
Q: Mercury is small, rocky and covered with what objects? Choices: - rivers - volcanoes - diamonds - craters A:
craters
------
Q: The autonomic nervous system serves as the relay between what and the internal organs? Choices: - hormones - somatic system - peripheral nervous system - central nervous system A:
central nervous system
------
Q: In animals, what process occurs only in germ cells, which are in the ovaries or testes? Choices: - mitosis - electrolysis - reproduction - meiosis A:
meiosis
------