Ocean trenches form over millions or billions of years. which statement accurately describes how ocean trenches form?

a )a plate of oceanic crust is subducted under a plate of continental crust
b) two plates of continental crust slide past each other
c) two plates of oceanic crust pull away from each other
d) a plate of continental crust collides with another plate of continental crust

Which of the following is a good strategy when it comes to desserts

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.

The pelican's beak is adapted for in .