Question

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A. Say whether the statements are true or false:
1. Polio is caused by a virus.
2. A protozoan is used to make alcoholic drinks by fermentation.
3. Blue-green algae are biological nitrogen fixers.
4. Housefly is a carrier of malaria.​

Answer 1

1. true
2. false
3. true
4. false

Explanation:

srishti ko mane choda choda

Answer 2

Answer:

1. true

2. false

3. true

4. false