Name the invention that made agriculture much more efficient

Corn Picker. In 1850

Cotton Gin.

Cotton Harvester.

Crop Rotation.  

The Grain Elevator.

Hay Cultivation.

Milking Machine.

Plow.

Explanation:

there are some agriculture inventions  

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:

the offspring would all be white. if the parents are both white flowers then they have the genotype rr, which when crossed results in an all white punnet square.