Answer:
It allowed land-grant colleges to perform experiments in the fields of rural farms.
Explanation:
C is the answer for this question
It was caused by widespread disconnect with the French monarchy and the poor economic policies of King Louis XXI
A planetary nebula is a (ring-shaped) type of nebula formed by an expanding shell of gas around an aging star. *a planetary nebula is a type of nebula*. im not completely certain though. i might be wrong.