In which form of waves, solar radiation reaches the earth's surface and is reflected back by the earth's surface?

In which form of waves, solar radiation reaches the earth's surface an

1.	In which form of waves, solar radiation reaches the earth's surface and is reflected back by the earth's surface?
A.	Short waves and long waves
B.	Short waves and short waves
C.	Long waves and long waves
D.	Long waves and short waves
Answer» B. Short waves and short waves