Question

3. How do the animals and plants living in the water get oxygen?
4. What is air made up of? Explain with an experiment that how to investigate the prese
of air in the atmosphere.
(5. How can you say that air contains water vapour? Verify with an experiment that air conta
oxygen.
.
6. Verify with an experiment that air contains carbon dioxide.
7. Discuss that air contains dust and smoke particles.
VII. Long Answer Questions.
1. How does oxygen become available to animals and plants living in water? Explain with
experiment.
2. How does oxygen become available to animals and plants living in soil? Explain with
experiment
3. (a) How is the oxygen in the atmosphere replaced?
(b) Describe uses of air in our daily lives.​

Answer 1

Answer:

this is such a long answer,i think you are cheating in an exam!!!