שאלה | The dispute over the Colorado River between Mexico and the USA is __________.

The dispute over the Colorado River between Mexico and the USA is __________.

		Mainly about the small amount of water that reaches Baja California due to evaporation from the constructed reservoirs on the US side of the Colorado River.
		Mainly about water availability for agriculture in Mexico during the dry season.
		Mainly about the poor quality and the small amount of water that reaches Mexico due to evaporation from the reservoirs on the US side and the return flows from intensive agriculture upstream.
		Mainly about groundwater pollution on the Mexican side from intensive agriculture above the mountain aquifer on the US side.