4. the rock cycle is the layering of eroded sediments
Answer:
10. D
9. A
8. A or B
Explanation:
10. Calcium has 20 electrons, but the Calcium ion has 18 electrons.
9. The mass of electrons are negligible.
8. Electrons have a very small mass where some consider it to have no mass.
Answer:
<h3>magma that is rich in feldspar and silica is called STRATOVOLCANO.</h3>