phosphoilpid
Yes, as long as it's not blood, or one of the four main componets of blood (plasma, red cells, white cells, or platlets).
Hydrogen and Oxygen
Mercury has no significant atmosphere.
Main componets of an ecosystem are its Flora and Fauna
Evaporation, Condensation, Precipitation
the four componets of blood are platelets, plasma, white blood cells and red blood cells.
The major componets of the circulatory system.... are the Heart, the Blood, and the Blood Vessles. These major componets are vital in the process to escort oxygen to your lungs, and to your billions of blood cells.
Chemistry is helpful to find the fertilizers for the suitable land.for example, if you have a farm and you want to grow some fruits. But it is not possible if you not having a componets that helps to grow. that can be checked and fulfilled by the chemical analysis.
Large intestine,liver
The purpose of a computer board is to act as a main frame between all the computers working components. Without it, the computer would simply not run.
If you mean things every blog should have, there are some sections, but the main are posts and comments.
You think probable to the chemistry involved in biological cells.