How can energy be harnessed

There are many ways but there are two main ways

Explanation:

The two ways are Natural energy (Windmill energy, Solar energy, Wave energy, etc) and chemical energy (thorium, plutonium, uranium, etc).

Lets take Solar energy for example, it absorbs electrons from the sun and converts the electrons to be stored in batteries. From there it can be used for any appliances.

thymine. in rna, thymine is replace by uracil

then that particular organisms become extinct.