Question

The table below shows the elements that mainly comprise each of the four layers of Earth:

Answer 1

Answer:

Oxygen and silicon

Explanation:

Answer 2

oxygen and silicone. The crust consists of tectonic plates (in relative motion one from another) and has 5–70 km (~3–44 miles) in depth. The most abundant elements of this layer are: oxygen-46.6 percent by weight; silicon-27.7 percent; aluminum-8.1 percent; iron-5 percent.