Question:
Which of the following statements regarding
Earth’s internal structure is/are correct?
1. The oceanic crust is heavier than the
continental crust.
2. Most of the Earth’s internal heat is contained
within the mantle.
3. Large convective cells in the crust circulate
heat and drive plate-tectonic processes.
Select the answer using the code given below:
Which of the following statements regarding
Earth’s internal structure is/are correct?
1. The oceanic crust is heavier than the
continental crust.
2. Most of the Earth’s internal heat is contained
within the mantle.
3. Large convective cells in the crust circulate
heat and drive plate-tectonic processes.
Select the answer using the code given below:
Options:
- 3 only
- 1 and 2 only
- 2 and 3 only
- 1, 2 and 3
- 3 only
- 1 and 2 only
- 2 and 3 only
- 1, 2 and 3
Correct Answer: B) 1 and 2 only
Explanation:
Statements 1 and 2 are correct. Heat circulation is in the mantle (convection cells), not the crust.
Statements 1 and 2 are correct. Heat circulation is in the mantle (convection cells), not the crust.