Question

1.what is the amount of water vapour called ?

2.why teeth are yellow?

3.In which year Film in India realease?

4. How many % of oxygen are there in atmosphere?

5.What are oviporous and viviparous animal?

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Answer 1

Answer:

1.humidity

2. teeth are white not yellow it is because of calcium

4. 20%

Answer 2

Animals that lay eggs are oviparous.
Animals that produce fertile offsprings or young ones are viviparous