B. Write 'T for true or 'F' for false.
1. The capacity of doing work is called energy.
2. Animals do not need energy to do their work.
3. Sun is the main source of light energy.
4. In steam engines heat energy is changed to chemical energy.
5. Coal, wood and petroleum are not examples of fossil fuels.
Answers
Answered by
4
Answer:
1. true
2. false
3. true
4. true
5. false
Answered by
1
- True
- False
- True
- False
- False
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