Environmental Science Unit 2 AOS 1 Review

What is pollution? Fill in the blank: Pollution is a substance that is introduced to or present in an environment which has ______ or ______ effects.

• harmful or poisonous

• pleasant or beneficial

• colorful or fragrant

• useful or decorative

Which of the following is a source of pollution?

• Natural (e.g. bushfire smoke, volcanic gases)

• Anthropogenic (e.g. oil spills, industrial waste)

• Both a and b

• None of the above

Primary pollutants are:

• Emitted directly into the environment

• Formed through reactions in the environment

• Only from natural sources

• Only from anthropogenic sources

Secondary pollutants are formed through ______ in the environment.

• reactions

• evaporation

• condensation

• filtration

Which of the following is NOT a type of pollution listed?

• Atmospheric

• Water

• Terrestrial

• Biological

Fill in the blank: Light pollution disrupts ______ and ______.

• animal rhythms and plant growth

• water cycles and soil erosion

• mountain formation and ocean currents

• wind patterns and rainfall

Noise pollution disrupts ______ and ______ in animals.

• communication and health

• movement and color

• size and shape

• growth and taste

Thermal pollution is caused by:

• Hot water releasing harm to aquatic life

• Mercury in water

• Industrial discharge

• Excess nutrients

Heavy metals such as mercury and lead are considered ______ and ______.

• toxic and persistent

• nutritious and beneficial

• volatile and flammable

• light and biodegradable

A contaminant is:

• A substance in an abnormal location or concentration

• A discarded material

• A pollutant that causes harm

• A type of pollution