Pollution

Pollution that can be traced from a single source______.

• Point-source

• Non-point source

• Persistent pollutant

• Non-persistent pollutant

A point source is pollution that is easily traced to the starting point. An example of a point-source _______.

• Car emissions

• Farm fertilizer

• Factory emissions

• acid rain

Tags

NGSS.MS-ESS3-3

Pollution that comes from multiple sources______.

• Point-source

• Non-point source

• Persistent pollutant

• Non-persistent pollutant

A non-point source is pollution that is hard to trace back to a starting point. An example of a point-source _______.

• Water sewer system

• Noise from a jet engine

• Factory emissions

• acid rain

What is a persistent pollutant?

• A pollutant that remains in the environment for many years in an unchanged condition

• A pollutant that does not remain in the environment for very long

What is a non-persistent pollutant?

• A pollutant that remains in the environment for many years in an unchanged condition

• A pollutant that does not remain in the environment for very long

A non-persistent pollutant is easy to get rid of in an environment. Which example would be a non-persistent pollutant?

• DDT

• Animal fertilizer that is biodegradable

A persistent pollutant is hard to get rid of in an environment. Which example would be a persistent pollutant?

• DDT

• Animal fertilizer that is biodegradable

Define biodegradable

• the ability to break down substances using bacteria or fungi

• the ability to make new substances using bacteria or fungi

Biodegradable is the ability to break down substances using bacteria or fungi. Which type of pollutant can be categorized as biodegradable?

• Non-persistent pollutant

• Persistent pollutant