The tall polygonal features preserved in basalt flows formed because the lava . Group of answer choices erupted underwater and cooled rapidly, forming many fractures was subjected to shaking from earthquakes, and subsequently fractured shrank as it cooled, forming tall polygonal-shaped fractures was moving as it cooled, so it fractured

I'm not sure i'm sorry

The answer is c epicenter

Exploration mission 2;

Your answer is d. silli hope this ! : ) i left an explanation down below if you need it: a sill forms when hot magma squeezes between layers of rock to form a hardened sheet of rock. a sill is basically a tabular sheet intrusion between old layers of sedimentary rock, volcanic beds, or in the direction of foliation inherent in metamorphic rock. the word sill means a concordant intrusive sheet.