Technological, scientific, and economic developments in the 20th century have resulted in all of the following EXCEPT more farmland being cultivated by fewer people.
increased costs for running commercial farms.
the elimination of most environmental threats.
greater scientific research on agriculture.
the use of satellite images to monitor crops.

If x ≤ 25, which could be the perimeter of this rectangle? a) 100 in b) 155 in c) 225 in d) 750 in e) 1500 in

What events caused the united states to intervene in southwest asia?

What is the general rule about surface currents? cold water flows along the ocean floor towards the equator. the east coasts of continents have cold surface currents, and the west coasts of continents have warm surface currents. seasonal and constant offshore winds create significant upwelling along the west coasts of south and north america and africa. the west coasts of continents have cold surface currents, and the east coasts of continents have warm surface currents.