Types of Pollution

Pollution is the process of making land, water, air or other parts of the environment...

• dirty and not safe or suitable to use.

• clean and safe

• always available

• virtual

Pollution can be done through the introduction of _________ into a natural environment

• a plant

• a contaminant

• an animal

• a human being

Which of the following can be considered polluted whan introduced artificially in the environment?

• sound

• light

• chemicals

• electromagnetic waves

How many people are affected by toxic pollution worldwide, according to Pure Earth?

• less than 10 million

• more than 150 million

• more than 200 million

• 1 billion

The largest component of the garbage generated in the USA in 2014 according to ESA was:

• Plastic

• Textile

• Organic

• Paper and Paperboard

Hazardous ____________ is any liquid, solid or sludge waste that contain properties that are dangerous of potentially harmful to human health or the environment.

Which of the followings is classified as hazardous waste?

• construction materials

• chemical production

• medical waste

• wood

Water pollution happens ...

• when fishes and sea plants are introduced in the environment

• when chemicals or dangerous foreign substances are introduced to water

• when agricultural activities are run off

• when the use of pesticides, fertilizers and metals is reduced

According to the Environmental Protection Agency (EPA), which percentage of lakes are not clean enough for fishing and swimming?

• 2%

• 30%

• 64%

• 95%

How many people in the world do not have access to adequate sanitation, according to EPA?

• less than 500 million

• around 1 billion

• around 2.5 billion

• more than 5 billion