What does Earth’s magnetic field reveal about the structure of what does the Earth’s magnetic field reveal about the structure of the Earth’s layers? the Earth’s layers?

Select one:

a.

That the mantle is solid.

b.

That the outer core is liquid.

c.

That the mantle is liquid.

d.

That the outer core is solid.

Which ecosystem best fits the characteristics listed below? which ecosystem best fits the characteristics listed below? ii. seasonal migrations of millions of wildebeests, zebras, and elephants iii. large numbers of predators, such as lions iv. acacia trees and grasses a. the congo rainforest b. the african mangroves c. the serengeti grasslands d. the sahel