The best answer is: physical activity (although this does not include metabolism, which also uses energy).
Exercise and exertion are more intensive forms of physical movement.
Answer:
Usage of agriculture machines like inter cultivator, power tiller etc. can reduce the dependency on labor and improve the quality of life of the farmers.
Explanation:
Maybe because they just wanna start problems?
Answer:
That society is something that you can outrun but you can't outrun culture as it is something that is embedded within a person.
