Question

Q. 1. Fill in the blanks with appropriate words:
1. Hydrosphere is a part of ........
2. Two main constituents of environment are
3.
... is the hard top layer of the earth.
modify the natural environment.
.... and .....​

Answer 1

Answer:

3.crust is the hardest layer of the earth

Explanation:

crust - mantle- outer core- inner core

Answer 2

• Answer:
• Answer:1.The hydrosphere is the part of a planet that's made of water.
• Answer:1.The hydrosphere is the part of a planet that's made of water.2.a.biotic factor.
• Answer:1.The hydrosphere is the part of a planet that's made of water.2.a.biotic factor. b.abiotic factor.
• Answer:1.The hydrosphere is the part of a planet that's made of water.2.a.biotic factor. b.abiotic factor.3.crust is the hard top layer of the earth.