What's the most common extrusive igneous rock on earth?

a. rhyolite b. pumice c. basalt d. obsidian

Does masterbation affect height growth or loss of growth hormone?

The bacteria inside a tube worm would be analogous to what organism in the ocean ecosystem near the waters surface? a. photosynthetic algae b. shrimp c. clown fish d. parasitic lamprey

Explain why autonomous underwater explorers (aue) will provide entirely new kinds of information about ocean processes