If your car get 20 miles per gallon (mpg) and you drive an average of 1miles each year how many gallons of gas do you use a year

Anyone knows answer for code.org unit 3: intro to programming, lesson 7: apis and function parameters, bubble 11. !

Compare and contrast the environmental consequences of reliance on coal with reliance on petroleum.

A. describe the model of urban structure most often observed in mega-cities in developing countries. explain how this model differs from common urban structures in north america. b. describe at least two factors leading to the growth of mega-cities in developing or least-developed countries. c. identify and explain two factors that led to the formation of squatter settlements in mega-cities in developing countries.