« previous next »

Author Question: Air pollution is best defined as ________. A) suspended particles of gases that contain small ... (Read 95 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?

GI conditions that will keep you out of the U.S. armed services include ulcers, varices, fistulas, esophagitis, gastritis, congenital abnormalities, inflammatory bowel disease, enteritis, colitis, proctitis, duodenal diverticula, malabsorption syndromes, hepatitis, cirrhosis, cysts, abscesses, pancreatitis, polyps, certain hemorrhoids, splenomegaly, hernias, recent abdominal surgery, GI bypass or stomach stapling, and artificial GI openings.

Did you know?

People who have myopia, or nearsightedness, are not able to see objects at a distance but only up close. It occurs when the cornea is either curved too steeply, the eye is too long, or both. This condition is progressive and worsens with time. More than 100 million people in the United States are nearsighted, but only 20% of those are born with the condition. Diet, eye exercise, drug therapy, and corrective lenses can all help manage nearsightedness.

Did you know?

Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.

Did you know?

In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.

Did you know?

Medications that are definitely not safe to take when breastfeeding include radioactive drugs, antimetabolites, some cancer (chemotherapy) agents, bromocriptine, ergotamine, methotrexate, and cyclosporine.

The alimentary canals of a nonruminant herbivore and a small carnivore. The alimentary canals of a nonruminant herbivore and a small carnivore.
A finger-stick is useful for obtaining small amounts of blood. A finger-stick is useful for obtaining small amounts of blood.
Celiac disease affects the small intestine. Celiac disease affects the small intestine.
Rub for at least 15 seconds. Particles and pathogens become suspended in the soapy lather and are ... Rub for at least 15 seconds. Particles and pathogens become suspended in the soapy lather and are ...
Summary of digestion and absorption in the small intestine Summary of digestion and absorption in the small intestine
Video: The Hypothalamus: The Body's Thermostat (Human Thermostat)

For a complete list of videos, visit our video library