1.1

Question 1

What is a chemical that can cause harm to the environment?

Answer 1

Pollutant

Question 2

True or False: All chemicals are harmful to the environment.

Answer 2

False

Question 3

Fill in the blank: The process by which substances break down in the environment is called __________.

Answer 3

decomposition

Question 4

What term describes the accumulation of harmful substances in an organism over time?

Answer 4

bioaccumulation

Question 5

Which of the following is a common air pollutant? A) Oxygen B) Carbon Dioxide C) Sulfur Dioxide D) Nitrogen

Answer 5

C) Sulfur Dioxide

Question 6

What is the main source of water pollution?

Answer 6

Industrial waste and agricultural runoff

Question 7

True or False: Pesticides can remain in the soil for many years.

Answer 7

True

Question 8

What does the term ‘greenhouse gases’ refer to?

Answer 8

Gases that trap heat in the atmosphere

Question 9

Short Answer: Name one effect of acid rain on the environment.

Answer 9

It can harm aquatic life and damage forests.

Question 10

What is the primary cause of climate change?

Answer 10

Increased levels of greenhouse gases due to human activities