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Reep Unit Lesson 2
| Question | Answer |
|---|---|
| What is a nutrient? | is anything that is needed for growth. |
| minerals are types of what? | nutrients |
| How do minerals move from the non living to the living parts? | through the nutrient cycle |
| Nutrients are essential for the growth of what? | plants and animals |
| Mineral nutrients are found in.... | soil |
| Mineral nutrients are ____ | finite |
| What is the layer of air covering the earth called? | atmosphere |
| What percent of air is nitrogen? | 78% |
| What percent of air is oxygen? | 20% |
| What percent of air is argon? | greater then 1% |
| What percent of air is carbon dioxide? | less than 1% |
| Where is oxygen found? | in the atmosphere living tissue and water. |
| What is the amount of air? | finite |
| What is water a combination of? | hydrogen and oxygen |
| Where is water found? | In the atmosphere in soil in rivers. |
| What is the amount of water? | finite |
| What percent of the earth is water? | 75% |
| What percent of the earth's water is fresh water? | 3% |
| What percent of the earth's fresh water is drinkable water? | less then 1% |
Created by:
boom1001000
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