How does the thickness of Earth's oceanic crust compare to the thickness of the continental crust? A Oceanic crust is thinner than continental crust.

B Continental crust is thinner than oceanic crust.

C Oceanic crust has any more layers than continental crust.

D Continental crust only has one layer.

Which of the following best describes the expensive tissue hypothesis? brains require more energy, so the gut had to be reduced, and larger brains and tool use led to higher quality diets. increasing body size means that homo neanderthalensis had to include more fat in its diet. brains require more energy, so the gut had to be reduced as brains got bigger. brains require more fat, so the gastrointestinal viscera (gut) had to expand, and hands were needed to acquire more food.