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

Author Question: Why is normal precipitation always slightly acidic? A) Precipitation dissolved carbon dioxide to ... (Read 81 times)

AEWBW

  • Hero Member
  • *****
  • Posts: 579
Why is normal precipitation always slightly acidic?
 
  A) Precipitation dissolved carbon dioxide to form carbomic acid.
  B) Nitrogen fixing bacteria form nitric acids which evaporate into the atmosphere.
  C) Sulfur dioxide from volcanic explosions combines with water to form sulfuric acid.
  D) Chlorine, in the presence of sunlight and hydrogen, is converted to hydrochloric acid.

Question 2

Ocean sediment cores provide a climate record for the past ________ years.
 
  A) 800,000
  B) 2 million
  C) 10 million
  D) 70 million



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Dunkey

  • Sr. Member
  • ****
  • Posts: 333
Answer to Question 1

A

Answer to Question 2

D




AEWBW

  • Member
  • Posts: 579
Reply 2 on: Jul 14, 2018
Excellent


kishoreddi

  • Member
  • Posts: 329
Reply 3 on: Yesterday
Gracias!

 

Did you know?

In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).

Did you know?

Children of people with alcoholism are more inclined to drink alcohol or use hard drugs. In fact, they are 400 times more likely to use hard drugs than those who do not have a family history of alcohol addiction.

Did you know?

Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.

Did you know?

Tobacco depletes the body of vitamins A, C, and E, which can result in any of the following: dry hair, dry skin, dry eyes, poor growth, night blindness, abscesses, insomnia, fatigue, reproductive system problems, sinusitis, pneumonia, frequent respiratory problems, skin disorders, weight loss, rickets, osteomalacia, nervousness, muscle spasms, leg cramps, extremity numbness, bone malformations, decayed teeth, difficulty in walking, irritability, restlessness, profuse sweating, increased uric acid (gout), joint damage, damaged red blood cells, destruction of nerves, infertility, miscarriage, and many types of cancer.

Did you know?

Famous people who died from poisoning or drug overdose include, Adolf Hitler, Socrates, Juan Ponce de Leon, Marilyn Monroe, Judy Garland, and John Belushi.

For a complete list of videos, visit our video library