(Will Mark BRAINLIEST & 50pts) Where are mid ocean ridges formed?

a. Where two oceanic plates move apart
b. Where two continental plates move apart
c. Where two continental plates push together
d. Where an oceanic plate subducts under a continental plate

i think it might be A

Explanation:

Mid-ocean ridges form along divergent boundaries aka where two plates are pulling away for one another so I'm assuming it's A "Where two oceanic plates move apart"

mercury

explanation:

mercury is the least dense because of its size

answer is  

loa ≅ lma

to prove that the triangles are congruent using the aas congruence