Which sentence describes deposition changing the surface of Earth? A. A river breaks away rocks to form a canyon.
B. Lava from a volcano cools to form an island.
C. A delta is formed as a river flows into an ocean.
D. A mountain range is formed as tectonic plates collide.

Which of the following statements about hybrid orbitals is or are true? choose all that apply. choose all that apply. under sp2 hybridization, the large lobes point to the vertices of an equilateral triangle. after an atom undergoes sp hybridization there is one unhybridized p orbital on the atom. the angle between the large lobes of sp3 hybrids is 109.5∘