I believe that the answer would be D., Water.
Water gives you alot of energy, believe it or not. If you
were not to drink water for days, you will feel very lazy
and down.
Hope this helps!
Biology is the study of living things or organism. It is a science of life. And it is a great affect of human development because and humans possesses both genetic and environmental surroundings. Genes are the first inheritance in all creatures that effects the appearance or purpose of an organism in definite manner.
Generally, dogs have many similarities with the human race, as we both are vulnerable to same diseases, etc. but we don’t necessarily need everything a dog needs. Although it seems we are very alike in a way, we are actually different in some. Such as: dogs have very sharp instincts, like smell, navigation, detecting illness among humans, and able to see their own farts. Idk a lot, and i suggest you look it up on a credible site. :)