What is the primary goal of environmental engineering?

• Designing new types of vehicles

• Developing advanced computer systems

• Finding solutions to environmental problems

• Creating new forms of renewable energy

What was a major health consequence of the Flint, Michigan water crisis?

• Increased rates of skin allergies

• Cardiovascular and neurological problems due to lead contamination

• A widespread outbreak of the common cold

• Higher rates of bone fractures

What is the minimum amount of dissolved oxygen (in parts per million) generally needed to support an underwater population?

• 1-2 ppm

• 4-5 ppm

• 7-8 ppm

• 9-10 ppm

What can happen if water becomes too acidic (pH level below 5)?

• It can cause the water to become clearer.

• It can increase the amount of dissolved oxygen.

• Fish may start to die, and metals can leach from pipes.

• It can make the water taste sweeter.

What is a common symptom of carbon monoxide poisoning?

• Increased energy

• Clear vision

• Dizziness

• Heightened sense of smell

Which weather condition would cause airborne pollutants to travel the farthest?

• Light breeze

• High wind speeds

• No wind

• Heavy fog

How do electrostatic air filters remove pollutants from the air?

• They use water to wash away particles.

• They physically block all particles with tiny pores.

• They charge particles, causing them to stick to collector plates.

• They burn the pollutants at high temperatures.

Besides reducing pollution, what is another benefit of recycling?

• It increases the amount of waste in landfills.

• It uses more fossil fuels.

• It conserves natural resources.

• It makes products more expensive.