GEOLOGY

EARTH SCIENCE

GROUNDWATER

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which human activity directly affects the quality of freshwater resources?
A
depleting the ozone layer
B
burning gasoline in car engines
C
throwing trash out of car windows
D
allowing runoff from agricultural fields
Explanation: 

Detailed explanation-1: -Urban and industrial development, farming, mining, combustion of fossil fuels, stream-channel alteration, animal-feeding operations, and other human activities can change the quality of natural waters.

Detailed explanation-2: -There is considerable evidence that humans are responsible for disruptions and changes to local and global water cycles. A number of human activities can impact on the water cycle: damming rivers for hydroelectricity, using water for farming, deforestation and the burning of fossil fuels.

Detailed explanation-3: -Major agricultural contributors to water pollution (and the main targets for water-pollution control) are nutrients, pesticides, salts, sediments, organic carbon, pathogens, metals and drug residues.

There is 1 question to complete.