Well fossil fuels are a finite resource and at the rate we are using them, yes they will run out. but not anytime soon. but yes. we use them faster than they can be created. they WILL run out eventually.
The size and position of their centres are the same for homologous Chromosomes
Answers:
1. C is correct answer. Y is a liquid because it fills up to the entire container.
2. C is correct answer. The two substances are the same because their intensive property is the same.
Hope it helped.
-Charlie