What probably caused the major increase in co2 in the atmosphere?

a. too much methane from cows

b. the industrial revolution

c. sea-floor spreading

d. cfcs in aerosols

B. the industrial revolution

Explanation:

Such as the burning of oil, coal and gas, as well as deforestation are the primary cause of the increased carbon dioxide concentrations in the atmosphere.

answer; seasons change because earth tilts on its axis; and the angle of the tilt causes the northern and southern hemisphere to trade places throughout the year;