Water Pollution and Aquifer Concepts

The video tutorial covers the hydrosphere and freshwater resources, focusing on water distribution, availability, and the hydrologic cycle. It explains watersheds, river systems, and pollution types affecting water quality. The tutorial also delves into groundwater systems, aquifers, and common water pollutants, emphasizing the importance of water conservation and management.

What percentage of Earth's water is freshwater?

• 10%

• 3%

• 20%

• 50%

Which of the following is NOT a component of a watershed?

• Plants

• Buildings

• Mountains

• Air

What is the main characteristic of a mature river?

• Steep valleys

• Smooth flow

• White water rapids

• High energy

Which type of pollution originates from a single identifiable source?

• Non-point source

• Eutrophication

• Point source

• Diffuse source

What is eutrophication primarily caused by?

• Oil spills

• Plastic waste

• Fertilizers

• Heavy metals

What is an aquifer?

• A water purification system

• A porous layer holding water

• A type of river

• A type of pollution

What happens to the water table during a drought?

• It drops

• It remains stable

• It rises

• It becomes saturated

Which type of aquifer is under more pressure?

• Confined aquifer

• Impermeable aquifer

• Unconfined aquifer

• Permeable aquifer

Which of the following is a common water pollutant?

• Carbon dioxide

• Nitrogen

• Mercury

• Oxygen

What parameter is used to measure the murkiness of water?

• Oxygen levels

• pH

• Temperature

• Turbidity