The rate at which an igneous rock cools is likely to determine
a. the rock's color.
b. the rock's density.
c. the size of the rock's crystals.
d. the rock's chemical composition.

The declining axolotl population in mexico city is an example of in overcrowded cities. a. the surpassing of support capacity b. changes to natural environments and native species c. the lack of safe homes and tenured spaces d. the effects of a growing urban heat island