Suppose you found an igneous rock that has almost even amounts of silica iron and magnesium. how would you classify this rock?

In the diagram below dab and dac are adjacent angles

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

Many areas surrounding the caspian sea contain important a. rare minerals b. forestry resources c. gold and silver mines d. oil and natural gas fields