Answer:
a
Explanation:
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Life on a farm in the 1800s was not easy. ... Around the middle part of the 1800s, most farmers in the Midwest lived in single room log cabins. Injuries were very common while farming with these tools. Though these injuries occured, at least the soil was very rich and full of nutrients.
The great rift valley was a remarkable evolution for apes.This was the place where human evolution started. In the rift valley, the apes adapted to diverse environments which had a major impact in the evolution of the humankind.There are various fossils that have been collected stating the sedimentation of the rivers in the Eastern Africa.
So you wont get your hands dirty and its better than using your hand so you wont get messy .