*Question*
Q: What type of climates is malaria commonly found in? Choices: - tropic and arctic - tropical and permafrost - arid and arctic - tropical and subtropical A:
**Answer**
tropical and subtropical

*Question*
Q: What structure passes oxygen and nutrients to a growing fetus in mammals? Choices: - uterus - spinal cord - vas deferens - placenta A:
**Answer**
placenta

*Question*
Q: What is the diffusion of water molecules across a semipermeable membrane? Choices: - organelle motion - electrolysis - active transport - osmosis A:
**Answer**
osmosis

*Question*
Q: The product of a wave's wavelength and its frequency is what? Choices: - trough - velocity - amplitude - speed A:
**Answer**
speed