How light does your skin have to be to be called white?

Greg goes to a high school and observes the way students talk to each other. he makes notes on the words used, the atmosphere of the school and the way the students present themselves to each other. this is an example of a( research method.

How would having more railroad tracks be advantageous during a war

In a the people elect the legislature, and the legislature chooses the head of government. question 5 options: parliamentary democracy communist state presidential democracy autocratic state