Which of the following was not true of serfs? serfs were valuable sources of labor to their landlords. some serfs had their own small farms, where they grew food to feed their families. all serfs were created equal and had no freedom. serfs gave landlords crops and labor in return for protection

Many scandinavians immigrated to the united states as a result of the homestead act of 1862, which offered land to independent farmers. this is an example of a push factor, because turmoil in scandinavia encouraged people to leave. push factor, because a new opportunity encouraged people to come to the us. pull factor, because turmoil in scandinavia encouraged people to leave. pull factor, because a new opportunity encouraged people to come to the us.

Will have the greatest effect on human health. pollution in the a. troposphere b. stratosphere mesosphere d. thermosphere

From 1990 to 2008, by what percent did the world’s most developed economies cut their greenhouse gas emissions?