Pollution

What causes plastics and other garbage to gather in certain places in oceans like the Great Pacific Garbage Patch?

• people from different countries agreed to dump them in the same place

• organisms bring them there to live on and feed

• plastics congregate in areas where the ocean currents are the weakest

• All of the other answers are correct

Mandates the restoration and maintenance of the chemical, physical, and biological integrity of the nation's waters.

• Safe Drinking Water Act
• Clean Water Act
• Water Quality Act
• Lacey Act

What does an indicator species tell us?

• where a river is

• how wide a river is

• how polluted a river is

• how dry a river is

What kind of chromium is toxic?

• Chrom 3

• Chrom 4

• Chrom 5

• Chrom 6

Properties that repel _ make PFAS valuable

• water, oil, and resistant to heat

• dirt, grass, bugs

• fire, air, and lightning

Why is air pumped into wastewater treatment tanks?

• to accelerate biological growth

• to reduce the smell

• to keep the fish alive

• to slow down the breakdown process

After the switch to a new drinking water source, what caused a few deaths in Flint in 2012?

• Lead Poisoning

• Legionaires disease

• Coronavirus

• Cholera

What are some effects of lead in the body?

• rashes, headaches, weight/eating issues

• sneezing, cough

• low body temperature, low blood pressure

When looking for an example of bioaccumulation in an ecosystem, which trait should we look for in an organism?

• The animal that has the longest lifespan

• The animal highest in the food chain

• The animal at the bottom of the food chain

• The animal that has the shortest lifespan

If you survey a river and find many species that are pollution sensitive, what might that tell you about the river?

• It has cleaner water

• The water is very polluted

• The water is pollution sensitive