B they are a Keystone species
keystone species
noun
a species on which other species in an ecosystem largely depend, such that if it were removed the ecosystem would change drastically.
They can also cause erosion and weathering and landslides
First up, the idea that Benjamin Franklin, in his infinite wisdom and wit, wanted the National Bird to be the turkey.
He believes that only people who are value free (bias free) can study sociology. This means that people who believe in social reform should not study sociology because they have a particular bias and in order to become a sociologist, one has to avoid bias.
Truman Doctrine is a departure from previous American foreign policy in that it D. turned the United States away from its policy of isolationism. Prior to the doctrine, America had nothing with the wars outside that country. However, after the Doctrine was implemented, basically Cold War began.
