If Earth was like a hard-boiled egg, which part of Earth would the egg shell represent and why? A. Crust, as its depth is up to 3,000 kilometers
B. Mantle, as its depth is up to 3,000 kilometers
C. Mantle, as its depth is less than 100 kilometers
D. Crust, as its depth is less than 100 kilometers

What effect does plate tectonics have an organic evolution

Cells are adapted to preform specific functions. which of the following terms refers to this capability?

Select the correct answer. which statement applies only to the axial skeleton, not the appendicular skeleton? a. it contains a pivot joint. b. it has muscles attached that work in pairs. c. it contains red bone marrow. d. it possesses fossa for bone articulation. e. it protects the heart and lungs.