Hydro 1: Distribution & Surface Water

Which is NOT one of the 5 Oceans?

• Pacific Ocean
• Gulf of Mexico
• Atlantic Ocean
• Indian Ocean
• Arctic Ocean

How many acres of wetlands were lost in the lower 48 United States by 1980?

• 46%

• 54%

• 90%

• 20%

What is NOT a reason wetlands are drained?

• to obtain the rich soil under wetlands

• to harvest peat for fuel and fertilizer

• to create real estate along beaches and rivers

• to produce estuaries for migratory birds

What is sludge dumping?

• The discharge of treated raw sewage into an aquatic ecosystem

• The dumping of trash by barges into the ocean

• The draining of wetlands for farmland and real estate development

• The spillage of animal waste into the water system from CAFO's

Is it still legal to dump trash into oceans?

• Yes, things can be dumped into oceans at this point.

• Yes, things can be dumped into the oceans as long as it is at least 12 miles away from shore.

• Yes, except for plastic, things can be dumped into the oceans as long as it is at least 12 miles away from shore.

• No. It is illegal to dump trash into the ocean.

Why is it such a bad idea to allow plastics to get into our oceans?

• Plastic never decays.

• Animals like it.

• It causes air pollution.

• It makes ocean levels rise.

Which item takes the longest to decay in oceans?

• aluminum can

• glass bottle

• orange or banana peel

• monofilament fishing line (made of plastic)

At least how long does a plastic bag last in the ocean?

• 2 months

• 10–20 years

• 10 weeks

• 5 years

Why is recycling important?

• to prevent many harmful items from entering landfills

• to prevent many items that do not decay from entering waterways and oceans

• to preserve natural resources

• all options are correct

Dropping off of sediment due to erosion

• deposition

• evaporation

• tributary

• channel

• weathering