Exit calcium has an atomic number of 20. how many electrons of a calcium atom are involved in chemical bonding? a. 2 b. 8 c. 16 d. 20

Rocks, as they are compressed, begin forming mountains above the earth's surface when two continental plates converge. the continental crust increases in depth as the mountains grow above. the himalayan mountains formed at a convergent plate boundary in this manner. the rocks are smashed together causing them to due to the intense heat and pressure from the colliding plates and eventually forming rock. a) melt; igneous b) layer; sedimentary c) recrystallize; metamorphic d) melt into the earth's interior; metamorphic

Which statement best explains the relationship between an area is geography and the temperature of its surface water

Who examines and coordinates the cleanup of polluted sites?