Besides energy from the sun, we also need water and air. Without water and air, there would be no life. Without enough water, there aren't enough plants and trees. Plants and trees produce air that we breathe.We also need water to grow our food. In some parts of our world, there isn't enough water. Without enough water, food can't grow, and people don't have enough food to eat.
Condition must be right for life to exist. When conditions are not right, life cannot exist. For example, millions of years ago there were forms of life that no longer exist. They died out because conditions changed.
Now all of us face the problem of pollution. Pollution changes the conditions that we depend on. Polluted air makes us sick. It’s bad for our health. Polluted air also kills the plants which give us clean air. Polluted water kills animals and fish. It also poisons our food supply. Automobiles are major cause of air pollution.
Clear air and clean water, we need them both to live our lives. The mountains, the rivers, the forests and all of nature are a part of us. This beautiful planet of ours is our home. To take care of the world is to take care of ourselves. Let's work together to keep our world alive and well.
Q:
1. What can’t grow without water?
---Without enough water, there aren't enough plants and trees.
2. What do we need to grow our food?
3. What gives us clean air? (What produces the air that we breathe?
---Plants and trees produce the air that we breathe.
4. Life can exist under any conditions?
---Condition must be right for life to exist.
5. There is plenty of water of everyone.
---In some parts of our world, there isn't enough water.
6. What died out because conditions changed?
---These forms of life are now extinct.
7. Which from of life still lives on this planet?
---Human beings are one form of life that still lives on this planet.
8. What is one cause of air pollution?
---Automobiles are major cause of air pollution.
9. What does polluted air cause?
---Polluted air makes us sick. It’s bad for our health.
10. Polluted air also kills the plants which give us clean air?
---Polluted air makes us sick. It’s bad for our health.
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