Q: How are layers of the atmosphere divided? Choices: - air gradients - color gradients - density gradients - temperature gradients A:
temperature gradients

Q: During labor, what do contractions of the muscular walls of the uterus cause? Choices: - spontaneous abortion - excretion - premature birth - cervical dilation A:
cervical dilation

Q: Pressure, volume, and temperature are related by which law? Choices: - Law of Conservation - law of inertia - Murphy's Law - gas law A:
gas law

Q: Motor neurons and sensory neurons are part of what nervous system? Choices: - peripheral - central - autonomic - sensory-somatic A:
sensory-somatic