The word “This” in the first paragraph refers to ________. A. providing food for man B. man’s domestication of plants and animals C. man’s ability to live on a small plot of land D. th
The word “This” in the first paragraph refers to ________.
A. providing food for man
B. man’s domestication of plants and animals
C. man’s ability to live on a small plot of land
D. the earliest condition of prehistoric man