« previous next »

Author Question: Air pollution is best defined as ________. A) suspended particles of gases that contain small ... (Read 44 times)

abarnes

  • Hero Member
  • *****
  • Posts: 556
on: Jul 14, 2018
Air pollution is best defined as ________.
 
  A) suspended particles of gases that contain small amounts of solids and liquids
  B) gases or particles present in high enough concentrations in the atmosphere to harm humans, other organisms and structures
  C) any gases in Earth's atmosphere in trace amounts
  D) small particles in the atmosphere arising from volatile organic compounds
  E) organic chemicals that can vaporize into the air

Question 2

List eight common nonsilicate minerals and their economic uses.
 
  What will be an ideal response?


yasmin

  • Sr. Member
  • ****
  • Posts: 319
Reply #1 on: Jul 14, 2018
Answer to Question 1

B

Answer to Question 2

galena (sulfide; lead ore)
gypsum (sulfate; drywall)
halite (halide; table salt)
graphite (native element carbon; pencils, lubricant)
hematite (oxide; iron ore)
chalcopyrite (sulfide; copper ore)
corundum (oxide; abrasive)
gold (native element; jewelry, electronics, dentistry)


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

There are major differences in the metabolism of morphine and the illegal drug heroin. Morphine mostly produces its CNS effects through m-receptors, and at k- and d-receptors. Heroin has a slight affinity for opiate receptors. Most of its actions are due to metabolism to active metabolites (6-acetylmorphine, morphine, and morphine-6-glucuronide).

Did you know?

In Eastern Europe and Russia, interferon is administered intranasally in varied doses for the common cold and influenza. It is claimed that this treatment can lower the risk of infection by as much as 60–70%.

Did you know?

Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.

Did you know?

Dogs have been used in studies to detect various cancers in human subjects. They have been trained to sniff breath samples from humans that were collected by having them breathe into special tubes. These people included 55 lung cancer patients, 31 breast cancer patients, and 83 cancer-free patients. The dogs detected 54 of the 55 lung cancer patients as having cancer, detected 28 of the 31 breast cancer patients, and gave only three false-positive results (detecting cancer in people who didn't have it).

Did you know?

Methicillin-resistant Staphylococcus aureus or MRSA was discovered in 1961 in the United Kingdom. It if often referred to as a superbug. MRSA infections cause more deaths in the United States every year than AIDS.

Methicilli ...
A small sample of the great diversity of seed sizes and shapes. A small sample of the great diversity of seed sizes and shapes.
Small Munsterländer Small Munsterländer
Small Pearl-bordered Fritillary Small Pearl-bordered Fritillary
Small Town USA: Struggling to Survive Small Town USA: Struggling to Survive
Permanent Gases of the Atmosphere Permanent Gases of the Atmosphere
In a Millikan experiment, a 6.89E-14 kg charged oil droplet is suspended in the electric field ... In a Millikan experiment, a 6.89E-14 kg charged oil droplet is suspended in the electric field ...
Video: Sperm Formation

For a complete list of videos, visit our video library