Most sources of energy around the world come from resources.

This graph shows that the use of alternative sources of energy as a percentage of the total source of energy
.

In almost twenty years, the use of crude oil
.

Explanation:

Our resources are becoming scarce because of our ignorant behavior that is leading towards extinction of of some natural resources

oil

Accounting for approximately 39% of the global energy consumption, oil has historically been the world's most used energy source

Explanation:

The difference between different tastes could be the hardest thing in the relationship.

Explanation:

One of the most difficult things about living as a couple is the differences in tastes.

For example: when you want to listen to music, but she does not like your music, then your partner changes the song and so on until it generates discontent.