a: emperor ...............
In this case the wheat are gonna have a better production, the production of cotton are not gonna change.
Cotton is resistant to weather changes and and drought, it was originated in in hot climates. Wheat is considered moderately tolerant to soil salinity. For wheat grow, the weather should be warm and moist in the early stage of growth and sunny. So, this changes will help the wheat but will not change the production of cotton.
A solar eclipse happens when the moon moves in front of the Sun as seen from the location of the Earth. During a solar eclipse it gets dimmer and dimmer outside as much more and more of the sun is covered by the moon during a total eclipse, the entire sun is covered for a few minutes and it becomes very dark outside. the temperature outside also drops.