shield volcanos are angry and get mad over the smallest things so much that there heads erupt pahoehoe and a'a lava. a composite volcano is the poller opposite of a shield volcano. its peaceful thing and knows how to control its emotions.
The atoms of a solid aluminum can are close together, vibrating in a rigid structure. if the can is warmed up on a hot plate, what happens to the atoms?
Why is it possible for different microorganisms to extract energy not only from carbohydrates and other biological molecules but from a large variety of substances?