Question

1. How does chemical composition affect the characteristics of basaltic rocks?
A. Silicon and aluminum cause basalts to be darker in color.

B. Iron and magnesium cause basalts to be lighter in color.

C. Iron and magnesium cause basalts to be darker in color.
D. Carbon and silicon cause basalts to be less dense and granites.

Answer 1

Answer:

The Answer is A

Explanation:

I took a quiz with the same question and A. Silicon and aluminum cause basalts to be darker in color was the right answer

Answer 2

Answer:

The answer is....

A. Silicon and aluminum cause basalts to be darker in color.

Explanation: I also had this question on an assighnment and this is the correct answer