Which of the following is a source correction method to reduce air pollution? A) Installing smoke stacks B) Using high-sulfur fuels C) Changing to eco-friendly raw materials D) Ignoring emissions

C) Changing to eco-friendly raw materials

The process of removing gaseous pollutants by dissolving them in a liquid is known as ______.

Absorption

True or False: Pollution control equipment is only designed to handle gaseous pollutants.

False. Pollution control equipment is designed to control both gaseous and solid particle pollutants.

Riddle: I trap particulate matter from gases, allowing clean air to pass through. What am I?

Filter

What is the primary method to treat wastewater in the secondary treatment stage?

Microorganisms break down organic matter.

What do non-point sources of water pollution typically include?

Agricultural runoff

Fill in the blank: The method of disposing of waste by compacting it in layers and covering with soil is called ______.

Sanitary Landfills

True or False: Incineration of municipal waste is an inexpensive method of waste disposal.

False. Incineration is expensive due to the need for air pollution control devices.

Which pollution control device removes impurities from dust-laden air using a vortex?

Cyclone Separator

Fill in the blank: The step in wastewater treatment that removes nutrients like nitrogen and phosphorus is called ______.

Tertiary Treatment

Riddle: I am a method that prevents mosquito breeding and safeguards against contamination but might pollute the air. What am I?

Open Dumping

What is a critical consideration when selecting pollution control equipment?

Volume of particulate matter to be handled.