Today many small organisms living in the ocean are having difficulty building their shells, which are constructed mainly of calcium carbonate. What is causing this phenomenon?
A. Increasing ocean temperatures
B. Ocean acidification
C. Heavy metals pollution
D. Decreasing ocean salinity
Answer: B
You might also like to view...
When a warm front passes, the air temperature
A) remains steady, then drops. B) drops, then remains steady. C) decreases. D) increases. E) fluctuates up and down.
Although electromagnetic radiation is described with a variety of names and wavelengths, it is all fundamentally similar in behavior
Indicate whether the statement is true or false
What is the main difference between a dipole-dipole interaction and a dipole-induced dipole interaction?
A) Both are similar, but one involves a temporary dipole created by a permanent dipole. B) Dipole-dipole interactions are weaker because the dipoles are permanent. C) Dipole-induced dipole interactions are stronger because the induced dipoles can be formed at any time. D) Both are identical. E) none of the above
Instructions: Choose one answer from each pair of selections. The Pacific high drifts northward during the summer. Sinking air on its eastern side produces a strong upper level subsidence inversion, which tends to keep summer weather along the California coast relatively DRY | WET