This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Which one of the following produces the least air pollution? A) An automobile burning hydrogen as ... (Read 168 times)

809779

  • Hero Member
  • *****
  • Posts: 579
on: Jul 16, 2018
Which one of the following produces the least air pollution?
 
  A) An automobile burning hydrogen as a fuel
  B) An automobile powered by a hydrogen fuel cell
  C) A Toyota Prius hybrid vehicle
  D) A car powered by natural gas

Question 2

In a deep-water marine food web that includes large populations of phytoplankton, zooplankton, and many species of carnivorous fish, what would happen if the populations of all species of phytoplankton decreased suddenly by 80 and stayed low for
 
  several years? A) The fish and zooplankton populations would decrease.
  B) The zooplankton populations would decrease but not the fish populations.
  C) The zooplankton populations would increase but not the fish populations.
  D) The fish and zooplankton populations would increase.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

janeli1

  • Sr. Member
  • ****
  • Posts: 330
Reply #1 on: Jul 16, 2018
Answer to Question 1

B

Answer to Question 2

A


809779

  • Member
  • Posts: 579
Reply 2 on: Jul 16, 2018
Great answer, keep it coming :)

bbburns21

  • Member
  • Posts: 336
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

Vaccines prevent between 2.5 and 4 million deaths every year.

Did you know?

All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.

Did you know?

Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.

Did you know?

Eating carrots will improve your eyesight. Carrots are high in vitamin A (retinol), which is essential for good vision. It can also be found in milk, cheese, egg yolks, and liver.

Did you know?

Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.

Urinary tract infection. A UTI is characterized by fever, lumbar or abdominal pain, and pain or burn Urinary tract infection. A UTI is characterized by fever, lumbar or abdominal pain, and pain or burn
Hydrogen bond Hydrogen bond
The Counteroffensive on Air Pollution The Counteroffensive on Air Pollution
Meteorological Factors Affecting Air Pollution Meteorological Factors Affecting Air Pollution
How to detemine the PH of a solution when given the hydrogen concentration How to detemine the PH of a solution when given the hydrogen concentration
Creating Trans Fatty Acids Hydrogenating, or adding hydrogen Creating Trans Fatty Acids Hydrogenating, or adding hydrogen
Video: Structures that affect circulation - venous return

For a complete list of videos, visit our video library