Q: Pairs of fish that do not practice broadcast what may exhibit courtship behavior? Choices: - migration - feeding - inheritance - spawning A:
spawning

Q: What is it called when two waves combine to create a larger wave? Choices: - Destructive Interference - consistent interference - wave propagation - constructive interference A:
constructive interference

Q: Q: Stis are diseases caused by what that spread through sexual contact? Choices: - amoeba - ecosystems - parasites - pathogens A:
A: pathogens

Question: Q: What is the name for the sinking of the dense, salty seawater in cold climates? Choices: - cyclones - jet stream - tidal activity - downwelling A:
Answer: downwelling

*Question*
Q: Kilauea in hawaii is the world's most continuously active volcano. very active volcanoes characteristically eject red-hot rocks and lava rather than this? Choices: - greenhouse gases - carbon and smog - magma - smoke and ash A:
**Answer**
smoke and ash

(Q).
Q: Hypertension, or high blood pressure, can increase the risk of what? Choices: - bone disease - physiological disease - abnormal disease - cardiovascular disease A:
(A).
cardiovascular disease