Answer:
Option (1), (2) and (4)
Explanation:
Renewable resources are those resources that can be regenerated again. These are non-conventional sources of energy. For example, Solar energy, wind energy.
The solar energy, wind and water energy are renewable source of energy, because the sun provides the sunlight that is used for various purposes. The water and the wind are easily available on the earth's surface. They do not produce any kind of pollution and are very clean because there is no emission of any kind of toxic gases like carbon dioxide.
So they are very efficient to use and it helps in the sustainability of the fossil fuel. These are the alternative resources that are commonly used.
Hence the correct answers are (1), (2) and (4).