Question

B. Fill in the blanks :
1. The average density of the Earth is about_______ per cm.
2 The core is also called_____.
3. The _______is made up of heavy and dense materials like iron and magnesium.
4.________rocks are also known as primary rocks.
5. Due to excessive heat and pressure,________ and_______ rocks may change into
metamorphic rocks.
C. Write 'T' for true and 'F' for false :
1.The upper part of the crust is called the continental crust.
2. The layers just beneath the crust is called the mantle.
3. The core is made up of heavy metals like nickel and iron.
4. Basalt is an example of extrusive igneous rock.
5. Minerals like coal and petroleum do not provide the sources of power.​

Answer 1

Answer:

1. 5.513 g/cm3

2.Barysphere

3. mantle

4. igneous rocks

5 . maybe igneous and sedimentary rock

Explanation:

hope it helps u

plz Mark me as the brainliest

Answer 2

Answer:

From Sumit Raj.

Explanation:

1.ans 5.513 g/cm3.

2. ans Barysphere.

3.ans mantle.

4.ans Igneous.

5.ans igneous rocks and Metamorphic rocks.

True or False

1.ans False.

2. ans False.

3. ans False.

4.ans False.

5. ans False.