PLZZ HELPP Explain how the earth's atmosphere maintains balance in temperature through differences in absorption and reflection

Absorbed sunlight is balanced by heat radiated from Earth's surface and atmosphere. ... The atmosphere and the surface of the Earth together absorb 71 percent of incoming solar radiation, so together, they must radiate that much energy back to space for the planet's average temperature to remain stable

answer; i believe its (ovulation);

the real answer is b. scintillation counter