2. what is migration? what are some reasons why people migrated out of africa? think about the environment and animals- see page 5 of the lesson.

The reason why most people migrate has to do largely with societal factors such as opportunities or economic factors in the modern world. Other factors can be environmental such is the case for the Nomad's, the Nomad's had to migrate to other areas due to the ice age which led to a lack of food and the extreme cold also made it hard for people to live comfortably. For the early Africans there were many environmental factors at play which led to them needing to leave, around northern africa the sahara desert constantly increases in size leading unbearable heat for most people and most importantly a lack of farming availablity.

the answer is b. 300t + 3/2xt

legislative branch:

one of the three branches of government divided between the senate and the house of representatives.

- creates or makes laws

- power to override a veto

executive branch:

one of the three branches of government, headed by the president.

- enforces or carries out laws

- power to veto a bill sent to it by congress

judicial branch:

one of the three branches of government, headed by the chief justice of the supreme court.

- interprets laws

- power to declare laws or actions by the government unconstitutional