What is particulate matter, and what other names are used to describe it?

What will be an ideal response?


Particulate matter (PM) is a microscopic form of solid air pollution; it can be either solid or atomized liquid matter and is generally referred to as soot and smoke.

Trades & Technology

You might also like to view...

When measuring front suspension caster angles, what must you do to the vehicle?

What will be an ideal response?

Trades & Technology

In a Southwest isometric viewpoint, objects are viewed from a point where:

a. x is positive, y is positive, z is positive b. x is negative, y is negative, z is positive c. x is negative, y is positive, z is negative d. x is positive, y is negative, z is positive

Trades & Technology

Thermostats with bimetal sensing elements typically use a combination of copper or brass and _____.

a. ElinvarĀ® b. nickel c. InvarĀ® d. aluminum

Trades & Technology

A selective herbicide will kill any plant it comes into contact with

Indicate whether the statement is true or false

Trades & Technology