This topic contains a solution. Click here to go to the answer

Author Question: Which one of the following produces the least air pollution? A) An automobile burning hydrogen as ... (Read 121 times)

809779

  • Hero Member
  • *****
  • Posts: 579
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
Answer to Question 1

B

Answer to Question 2

A




809779

  • Member
  • Posts: 579
Reply 2 on: Jul 16, 2018
:D TYSM


steff9894

  • Member
  • Posts: 337
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

Did you know?

Cocaine was isolated in 1860 and first used as a local anesthetic in 1884. Its first clinical use was by Sigmund Freud to wean a patient from morphine addiction. The fictional character Sherlock Holmes was supposed to be addicted to cocaine by injection.

Did you know?

Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.

Did you know?

The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.

Did you know?

Parkinson's disease is both chronic and progressive. This means that it persists over a long period of time and that its symptoms grow worse over time.

Did you know?

Studies show that systolic blood pressure can be significantly lowered by taking statins. In fact, the higher the patient's baseline blood pressure, the greater the effect of statins on his or her blood pressure.

For a complete list of videos, visit our video library