Answer:
either blue green alge or bread mold
Hi! they are mainly composed of phospholipids and proteins. :)
Local extinction is the disappearence of a species of ONLY a given area. Where as species extinction accounts for all areas. TOTAL extinction.
Hope this helps.
The answer to this question is B.
The pure substance within chemistry is a very simple concept to grasp. Pure substances are defined as substances that are made of only one type of atom or only one type of molecule (a group of atoms bonded together). The measure of whether a substance is pure is known as purity.