I believe that it is petroleum ether.
Something that is special to you or event that means alot to you
Answer:
D because i did this last week and got it right.
Answer:
The formation of a meander. As the river erodes laterally, to the right side then the left side, it forms large bends, and then horseshoe-like loops called meanders . The formation of meanders is due to both deposition and erosion and meanders gradually migrate downstream.