Question

A Answer in 2/3 sentences (Any 41

1 How can we keep our bones and muscles healthy

2.What is a reflex action? Give one Example

3.When is a shadow formed?

4.What is a global warming?

5.List 2 safety measures that one should take during an earthquake?

II B. Answer in brief (Any 3)

1. State the effects of water pollution

2. Why do you see different phases of the moon?

3. Explain solar eclipse with a diagram,

4.Draw and describe a wheel and axle.
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Answer 1

Answer:

Explanation:

1) how we can keep our bones and muscles heathy is by excersing and eating healthy also by drinking alot of water 2) an example of action is when an eye pupil changes its size. 3) a shadow is formed when an object dosen't get light through it example when u go outside in front of the light the light doesn't go through us so there for it shows our shadow.

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