Describe how rock are changed to soil

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.

Why do all market economies have taxes to support armed forces police forces public schools and at least some form of public transportation?

Sailors went to special school to learn how to use the new technology that would them sail far distences. the school we know about was