A) <span>the crust of the lithosphere that has fractured along plate boundaries and ridges</span>
Answer:
542.5 km
Explanation:
average thickness of granitic continental crust = 35 km
Average density of crust ( from section C1 ) (pc) = 3.3 g/cm^3
Average density of mantle (Pd) = 3.1 g/cm^3
applying the concept of Isostay
attached below is the missing part of the question and solution
Ideally, the drilling of fossil fuels from inner earth could lead to an accident from a oil spill which could cause a serious harm to the ocean environment and life.
<h3>What is oil drilling done?</h3>
A oil rig machine is used to drill the inner earth to derive crude oil for pertroleum, gas, bitumen, diesel etc.
However, this could harm the ocean because any incidence of oil spill from the drillng could cause a serious harm to the ocean environment and life.
Read more about oil drilling
<em>brainly.com/question/19712049</em>
D. Obviously because it was large and they didn't have a lot of supplies to go across also it was very deep.