Which minerals contain the two most abundant elements by mass in Earth's

Explanation:

Quartz: Quartz is composed of silicon dioxide and is one of the most abundant minerals on Earth. It forms a major component of many rocks and is widely distributed in the Earth's crust. The presence of silicon in quartz contributes to its abundance.

Amphibole: Amphibole is a group of minerals that contain a combination of elements including silicon, oxygen, magnesium, iron, aluminum, and other elements. It is commonly found in various igneous and metamorphic rocks. The main constituents of amphibole minerals, silicon and oxygen, contribute to their abundance in the Earth's crust.

Therefore, the correct choice is option C (amphibole and quartz) as these minerals contain the two most abundant elements by mass in Earth's crust, oxygen, and silicon.