The River Valley civilizations that emerged on the Yellow River ( China ), the Indus River ( India ), the Nile River (Egypt ), and between the Tigris and Euphrates Rivers ( Mesopotamia ) made lasting contributions to civilizations.
Answer:
true. hope it helps:).please follow me I'm new here
After gold was discovered in California. News of the discovery soon spread, sending people to California from the rest of the United States and abroad. These early gold-seekers, called "forty-miners," traveled to California by sailing boat and in covered wagons across the continent.. San Francisco grew from a small settlement to a boom town, and roads, churches, schools and other towns were built throughout California. A system of laws and a government were created.
I believe the answer is: <span>a purely experimental branch of natural science
According to watson, every act of treatments that is aimed to fix a certain psychological problems is only based on prediction since there is no sure thing to predict other people's behavior due to the number of factors that might influence it. Because of this, he refers to psychology as a 'purely experimental;' branch.</span>