The Earth's interior can be divided into three distinct layers. Which layer is the densest one?

a. Crust
b. Mantle
c. Core
d. They exhibit the similar density


Answer: c. Core

Environmental & Atmospheric Sciences

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Food production, transportation, home energy use and resource use have major impacts on the environment. Give two examples of how you can reduce your environmental impact for each activity.

What will be an ideal response?

Environmental & Atmospheric Sciences

Which of the following would be a negative ion with a single charge?

A) an atom with 11 protons and 12 electrons B) an atom with 11 protons and 11 electrons C) an atom with 12 protons and 11 electrons D) an atom with 10 protons and 12 electrons E) none of the above

Environmental & Atmospheric Sciences

In a cyclone, ____

a. upper air flow converges b. winds spiral clockwise in the Northern Hemisphere c. winds diverge at the surface d. pressure decreases toward the center e. pressure increases toward the center in the Southern Hemisphere

Environmental & Atmospheric Sciences

The weather event that annually takes the most human life is the:

A) hurricane. B) tornado. C) flood. D) lightning. E) extreme cold.

Environmental & Atmospheric Sciences