True or false

1. in a forced air heating system, the warm air circulates by convection. T/F

2. in an internal combustion engine, fuel burns outside the engine in chambers called cylinders.

3. solar energy can be changed into thermal energy without any work being done

4. winds are examples of convection currents

Question

3 February, 01:23

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Thunder · Answer 1

Thunder 3 February, 01:43

0

1. true

2. false

3. false

4. false