Answer:
Option B, It was made in stars that lived before the solar system formed.
Explanation:
Almost all the carbon that exists today with in the living organisms was produced in the stars. When these stars exploded during the big bang theory all the carbon within hem was introduced in the environment of earth some billions of years ago. Hence , though carbon introduced in earth’s environment was due to big bang, its origin is from the stars. Hence option B is the correct answer
Cyanobacteria is responsible for generation of oxygen on planet earth and thus option D is in correct.
That is called A. <span>Circular distribution.</span>
I believe the answer is B. A saturated solution is unable to dissolve any more solvent.
Hope this helps, sorry if I'm wrong.
When an electron<span> moves from </span>one atom<span> to </span>another<span>, </span>both atoms become<span> ions.</span>
Answer:
Choice B) Neuron, nervous tissue, brain, nervous system correctly orders four of these systems from most to least foundational.
