Q: What force includes forces of attraction and repulsion? Choices: - centripetal force - gravitational force - molecular force - magnetic force A:
magnetic force

Q: When magma heats groundwater, it may come to the surface as a hot spring or a what? Choices: - pond - cave - volcano - geyser A:
geyser

Q: Q: Ginkgo trees are gymnosperms with broad? Choices: - trunks - roots - fruits - leaves A:
A: leaves

Question: Q: The chemistry of each element is determined by its number of what? Choices: - nuclei and neutrons - protons and neutrons - electrons and neutrons - protons and electrons A:
Answer: protons and electrons

*Question*
Q: What basic structures of the nervous system innervate the muscles of the respiratory system and are responsible for controlling and regulating pulmonary ventilation? Choices: - toxins - enzymes - ions - neurons A:
**Answer**
neurons

(Q).
Q: The process of splitting atoms creates what kind of waste? Choices: - recyclable - inert - safe - radioactive A:
(A).
radioactive