1. What is the idea that Earth's early oceans had organic molecules that became the
first life?

Answerweathering;

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.

2pi more meters because you find the circumference which is 6pi and 4pi and subtract it and you get 2pi