Question

Chapter 1 Environment

Chapter 2 Inside Our Earth



Tick the correct answer.

1. Which is not a natural ecosystem?

(a) Desert

(b) Aquarium

(c) Forest.

2. Which is not a component of the human environment?

(a) Land

(b) Religion

(c) Community.

3. Which is a human-made environment?

(a) Mountain

(b) Sea

(c) Road.

4. Which is a threat to the environment?

(a) Growing plant (b) Growing population

(c) Growing crops.

5. (i) The rock which is made up of molten magma is

(a) Igneous

(b) Sedimentary

(c) Metamorphic.

Answer the following questions briefly.

1. What do you mean by the natural environment?

2. Which are the major components of the environment?

3. Give four examples of a human-made environment.

4. Which are the two major components of the biotic environment?

5. What are the three layers of the earth? Explain all the layers with neat diagram.

6. What do you mean by a rock cycle?

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Answer 1

Answer:

6)The rock cycle is a concept used to explain how the three basic rock types are related and how Earth processes, over geologic time, change a rock from one type into another. Plate tectonic activity, along with weathering and erosional processes, are responsible for the continued recycling of rocks.

Answer 2

Answer:

aquarium

land

road

growing population

Explanation:

These are the answers i know...