Which of the following is an environment cost of agriculture ?
A . Agronomy
B. Cash Crops
C. pollution
D. Crop Rotation

While standing outdoors one evening, you are exposed to the following four types of electromagnetic radiation: yellow light from a sodium street lamp, radio waves from an am radio station, radio waves from an fm radio station, and microwaves from an antenna of a communications system. rank these type of waves in terms of increasing photon energy.

Multiply or divide to make this english distance conversion. 174 inches = feet (14.5, 58, 2,088, 23)

What was the first instrument to ever record an earthquake?