Answer:
B. four-crop rotations
Explanation:
the four-crop rotations was invented in the 18th century which means from January 1, 1701 to December 31, 1800. (1700s).
D tornados. tornados have to do with warm and cold fronts of air coming in contact with each other.
Answer:Why are many fishing boats found near ocean upwellings?
Many marine species gather there to eat the nutrients brought to the surface.
Explanation:
<span> another name for the great plains is the Great American Desert</span>
Beta Ziti is the hotter star.
Infrared is the type of radiation which creates warmth. Atoms and molecules move more and more, and produce infrared radiation, as temperature increases. An object, like a hot clothing iron, which is not hot enough to produce light to the naked eye, emits energy in the infrared.
At the other end of the spectrum is ultraviolet radiation, which is more energetic. It has nothing to do with heat.