Which of these practices does the most to keep wind and water from Carrying away topsoil?

the answer would be no-till farming

Explanation:

when the soil is compacted and naturally embedded into the ground the wind wont be able to throw it around and the water would be unable to wash away the seeds and or crops. hope this helps if you wanted to know why

≅200-130 milions years ago pangea splited in 2 continents

false because ozone (o3) depletion does not cause global warming, but both of these environmental problems have a common cause: human activities that release pollutants into the atmosphere altering it.

global warming is caused primarily by putting too much carbon dioxide into the atmosphere when coal, oil, and natural gas are burned to generate electricity or to run our cars.

explanation: