Answer:
5 examples of internal structure of the earth are:
1) Crust.
2) Upper Mantle.
3) Lower Mantle.
4) Outer Core.
5) Inner Core.
5 examples of external structures of the earth are:
1) Exosphere.
2) Thermosphere.
3) Mesosphere.
4) Stratosphere.
5) Troposphere.
Answer:
Tarbuck, Earth's crust is made up of several elements: oxygen, 46.6 percent by weight; silicon, 27.7 percent; aluminum, 8.1 percent; iron, 5 percent; calcium, 3.6 percent; sodium, 2.8 percent, potassium, 2.6 percent, and magnesium,
Explanation:
The correct answer is D because less, least, and lesser doesn’t really qualify for an answer choice
