Youngest to oldest would be: 3, 4, 1, 5, 2. Since it's from the bottom, the ones furthest from the bottom would be the youngest at the top. The oldest fossils would be closest to the bottom.
The correct option is C.
Obligate anaerobes are micro organisms that are poisoned and killed when exposed to the normal atmospheric oxygen concentration. These organisms can only survive in the absences of oxygen, therefore, they carry out only anaerobic form of respiration in order to obtain the energy that they need. <span />
A renewable resource is something that provides power but will never run out. Eventually natural gas and oil and coal will run out. Wind is renewable because it will never run out, unless the world ends, then it won't matter.
Permanent would be the correct answer
D. Hope this helps give branlist
