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 170 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
Gracias!

rleezy04

  • Member
  • Posts: 322
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.

Did you know?

Pink eye is a term that refers to conjunctivitis, which is inflammation of the thin, clear membrane (conjunctiva) over the white part of the eye (sclera). It may be triggered by a virus, bacteria, or foreign body in the eye. Antibiotic eye drops alleviate bacterial conjunctivitis, and antihistamine allergy pills or eye drops help control allergic conjunctivitis symptoms.

Did you know?

There are immediate benefits of chiropractic adjustments that are visible via magnetic resonance imaging (MRI). It shows that spinal manipulation therapy is effective in decreasing pain and increasing the gaps between the vertebrae, reducing pressure that leads to pain.

Did you know?

A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.

Did you know?

The human body produces and destroys 15 million blood cells every second.

A mast cell, which produces the symptoms of a hypersensitivity reaction. A mast cell, which produces the symptoms of a hypersensitivity reaction.
Diabetes mellitus. The metabolic disease diabetes mellitus, with symptoms of polydipsia, polyuria, a Diabetes mellitus. The metabolic disease diabetes mellitus, with symptoms of polydipsia, polyuria, a
Directionality of the hydrogen bond Directionality of the hydrogen bond
Point Sources of Pollution Point Sources of Pollution
A boiling-liquid, expanding-vapor explosion (BLEVE). The burning propane cylinder on the left is not ... A boiling-liquid, expanding-vapor explosion (BLEVE). The burning propane cylinder on the left is not ...
How many hydrogen ions (H+) are present and on what side of the chemical equation? How many hydrogen ions (H+) are present and on what side of the chemical equation?
Video: Dissociative Disorders (Part 1)

For a complete list of videos, visit our video library