Which statements are true about the layers of the earth. Choose all that apply. 1. The mantle is the hottest, but not the most dense layer. 2. The inner core is the most dense and the hottest layer. 3. The mantle is hotter than the crust and cooler than the outer core. 4. The outer core is liquid like the inner core. 5. The crust is the least dense and the coolest layer.

Which city area has the most accessible oil reserves a) caspian sea b) siberia c)arctic coast d)lake baikal

Which statements describe sustainable development? multiple answer choice -fishing does not remove more fish from water systems than can be replaced by the number of fish that will be born to replace them. -sustainable development is development that is designed to improve the economic conditions in less-developed countries. -sustainable development is mainly a regional issue. -sustainable development means water is used at a rate that won't reduce the amount available for future use. - sustainable development policies only need to be concerned with environmental protection. - trees cannot be cut down faster than the number that will be replaced by new growth.

What happens when heat from inside earth is transferred to its surface? warmer material is pushed to the crust more dense material is pushed to the crust warmer material is pushed to the outer core less dense material is pushed to the outer core