Which statement best explains why the Harappan civilization declined? O The Harappans migrated to western Asia.
O Climate change forced many people to migrate to the Ganges River Valley.
O The Harappan were no longer able to trade with other civilizations.
O Ancient Greeks conquered and destroyed the Harappan civilization.

Rachel carson 1962 silent spring was a groundbreaking work regarding what topic

By the end of the 1800s, there was a change in the nature of the immigrants coming to the united states. immigration from northern europe—england, ireland, germany, and scandinavia—declined, while immigration from italy, russia, and austria-hungary grew. in fact, between 1900 and 1910, more than three-fourths of all immigrants came from these three countries. unfortunately, these countries were far removed england, the home of our founders, and the immigrants who came from them had a hard time adjusting to life in their new country.

During the early neolithic era, people relied on domesticated animals to provide each of the following except a. hides for clothes b. labor to pull plows c. manure for the soil d. meat, cheese, and milk for food