1. "The mass of living material at each stage of a food chain is less than at the previous stage." True or False?
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Other questions in this quiz
2. Sewage treatment plans are where...
- We use machines to inject waters with chemicals to process the water.
- We use microorganisms to break down the bodily waste we produce.
- We use volunteers to help clean the sewage from the waste we produce.
3. "By moving, an animal does not loose any energy." True or False?
4. What are the conditions of decay?
- Water, warmth and oxygen
- Oxygen, water and light
- Light, carbon dioxide and water
- Glucose, oxygen and light
5. What is this: fossil fuel or wood + oxygen ➡️ Carbon dioxide + water