The answer is option A)cyclins
Carbon dioxide goes into the atmosphere and is absorbed by plants along with water, to produce oxygen an plant structures, whether cellulose, starch, or sugar-which are then eaten by mammals.
Stresses on the Earth's system include incomplete combustion of carbon to produce carbon monoxide. The burning of fossil fuels such as oil and carbon, And also the presence of excess ozone in the upper atmosphere.
It has increased chemical reactivity and it is primed to do cellular work.
The answer is 5 because if it moves 3 units to the right it is 3 and then 4 to the left is -1 and then 6 units to the right is 5 so the answer is 5