Pollution in the Ocean

Waste from landfills can enter the water supply by seeping through the ground

The natural byproducts of a system are

The increase in the concentration of a chemical in the food chain is called

During what time could water handle waste

Dying from lack of oxygen is called

The amount of oxygen in the water is called

It wasn't until 1991 that sewage had to be recycled.

Radioactive wastes were often dumped in the ocean before we knew the risks

Radioactive wastes threaten the well being of living things and can have good side effects

Nonpoint source pollution is difficult to correct

Water has always seemed a convenient place to dump wastes

Mercury enters the marine ecosystem due to agriculture.

The problem with plastic is that it breaks down into

What can be caused due to eroded soil and overpopulations of algae

Substances that have a harmful effect on the environment are called

A toxic chemical found in consumer products and found to cause cancer is

DDT can accumulate in the food chain having catastrophic results.

Cloudy water is only caused by pollution

The presence of what organisms contaminates water

75% of all garbage is buried in landfills

Human Impact has an influence on Turbidity

Since 1971 DDT has been banned in the USA and Worldwide

Mercury is classified in a group called

Mercury can pollute the ocean from many different sources.

What does NOAA stand for

What device is used to measure the turbidity of water

Litter is only found on Major Continents outside of major cities

When it rains heavy sewage plants can not keep up and sewage is dumped into usually safe waterways

Mercury increases in the food chain. The bigger the fish, the more mercury

Thermal pollution is heated water from industry and can affect marine life

The biggest threat to marine life in the ocean is

Litter that can not be broken down is called

10,000 years ago we lived in small groups that hunted and gathered food

The type of bacteria that gets you sick from sewage is called

Most humans live near

Factories are usually found near bodies of water

Mercury causes disorders of what system

Contamination can be prevented by

The USA throws out more trash that anywhere else in the world

The liquid part of sewage is called

Products that are safer for the environment are often cheaper than others

Water that is contaminated poses a threat to human health

Recycling is the best way to reduce glass, metal and plastic pollution

Radioactive wastes can cause what disease

Substances that harm living things and impact water quality is called pollution

What US Government Agency helps protect the oceans

Most oil spills or oil in the ocean come from what sources

Sewage that has not been treated is called

Human intestinal waste discharged in the waterways is called

High levels of fertilizer in the water can cause a fish bloom

YOU can make a difference in fighting plastic pollution on the beaches and ocean

Projects are being done to help reduce turbidity in water

As humans settled wastes began to accumulate and health was affected

Up until what year did we dump radioactive wastes in the ocean

The concentration of people near water drastically increases pollution

What is the FDA limit for Mercury in Fish

The toxic chemical DDT is an insecticide

Solid litter is removed from sewage and trucked to landfills

Marine organisms handle wastes by decomposition and nutrient cycling

What treaty regulated the disposal of hazardous wastes is called

One method of getting rid of trash by burning it is called

The measure of the clarity of water is called

Pollution has no effect on human health

What oil tanker crashed in 1989 causing a massive spill in Alaska

In the tropics turbidity is low

Chemicals that are harmful to living things are called

The solid waste at the bottom of sewage tanks is called

What percent of the US population lives within 80 km of the coast

Light is needed in the ocean to undergo what process

Polluted or murky water affects the rate of photosynthesis

Hunters and gatherers produced tons of waste

The coliform bacteria that causes you to get real sick is called E. Coli

solid wastes or garbage is called

Who wrote the book Silent Spring to make people aware of toxic pollution

At high temperatures plankton can be affected