Which of the following is a sustainable practice in which people build small gardens on rooftops or in vacant lots? A. hydroponic farming
B. vertical farming
C. urban greenhouse
D. precision agriculture

The larges lakes in the world are found in: asia europe north america south america

:calculate the sum of the interior angles of a 13-sided polygon.

Stone mountain was formed during the formation of the blue ridge mountains around 300-350 million years ago and is considered part of the appalachian mountains. it formed as a result of the upwelling of magma from within the earth's crust. this upwelling, or solidified to form the that became stone mountain.