Which of the following are true?

Which of the following are true?

A. The higher the temperature of a radiating body, the longer the wavelengths of maximum radiation

B. The amout of water vapor is consistent throughout the earth's atmosphere at about 6% by volume

C. Earths's atmosphere ends quite abruptly at an altitude of 40 kilometers

D. Tiny solid and liquid particles suspended in the atmosphere are collectively called aerosols