Lime is a green-tasting rock. Many dead animals of the past changed to fossils while others preferred to be oil. A fossil is an extinct animal. The older it is, the more extinct it is. Genetics explain why you look like your father and if you don't why you should.
Vacuums are nothings.
We only mention them to let them know we know they're there. Some oxygen molecules help fires burn while others help make water, so sometimes it's brother against brother. Some people can tell what time it is by looking at the sun. But I have never been able to make out the numbers. Charles Darwin was a naturalist who wrote the organ of the species.