Question

B. State True or False.
1. Biosphere is a blanket of air that surrounds the earth.
2. Hydrosphere is the outer layer of the earth crust.
3. Mountain is a human-made environment.
4. Land is an abiotic environment.​

Answer 1

Answer:

1. Biosphere is a blanket of air that surrounds the earth. False

2. Hydrosphere is the outer layer of the earth crust. False

3. Mountain is a human-made environment. False

4. Land is an abiotic environment.​True

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Explanation:

Answer 2

1= false,atmosphere

2= false, lithosphere

3= false, natural

4= true