Identify the incorrect statement/s about solar panels.

(i) The running costs of solar panels is very high.

(ii) They do not cause any pollution.

(iii) They last over a long period of time.

1. (i)
2. (ii)
3. (iii)
4. (i) and (iii)

(i)

Reason — The solar panels :

1. do not require maintenance
2. last over a long period of time
3. running cost is almost nil
4. do not cause any pollution.
5. do not cause pollution.