Ang pictogram para sa kabihasnang Indus ay ang sistema ng kanilang pagsulat. Dahil wala pang unibersal na pagkokomunikasyon, gumagamit sila ng mga larawan o mga pictogram upang magsilbing komunikasyon sa kanila.
Neolithic Period. Domestication of plants is a key indicator of that period's revolution
Assuming this is referring to the Greensboro sit ins, it started a chain of sit ins at restaurants. The 4 African American college students were the first to challenge the segregation inside restaurants. They sat in at one, which led to others being inspired and joining in by sitting in at other restaurants.
D, the key word there is unsure which is a synonym for undecided. Hope this helps
