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

Author Question: Why is normal precipitation always slightly acidic? A) Precipitation dissolved carbon dioxide to ... (Read 122 times)

AEWBW

  • Hero Member
  • *****
  • Posts: 579
on: Jul 14, 2018
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
Reply #1 on: Jul 14, 2018
Answer to Question 1

A

Answer to Question 2

D


AEWBW

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

nyrave

  • Member
  • Posts: 344
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

According to the CDC, approximately 31.7% of the U.S. population has high low-density lipoprotein (LDL) or "bad cholesterol" levels.

Did you know?

Never take aspirin without food because it is likely to irritate your stomach. Never give aspirin to children under age 12. Overdoses of aspirin have the potential to cause deafness.

Did you know?

Patients who have been on total parenteral nutrition for more than a few days may need to have foods gradually reintroduced to give the digestive tract time to start working again.

Did you know?

Signs and symptoms that may signify an eye tumor include general blurred vision, bulging eye(s), double vision, a sensation of a foreign body in the eye(s), iris defects, limited ability to move the eyelid(s), limited ability to move the eye(s), pain or discomfort in or around the eyes or eyelids, red or pink eyes, white or cloud spots on the eye(s), colored spots on the eyelid(s), swelling around the eyes, swollen eyelid(s), and general vision loss.

Did you know?

Individuals are never “cured” of addictions. Instead, they learn how to manage their disease to lead healthy, balanced lives.

2 Several oxygen-binding curves: for normal hemoglobin 2 Several oxygen-binding curves: for normal hemoglobin
A comparison of (a) uniform, cup-shaped, normal erythrocytes A comparison of (a) uniform, cup-shaped, normal erythrocytes
The default position for the throttle plate is in slightly open position. The servomotor then is ... The default position for the throttle plate is in slightly open position. The servomotor then is ...
Three-carbon acyl-CoA Three-carbon acyl-CoA
Normal conduction pathway in the heart Normal conduction pathway in the heart
What are the concentrations of Cr?+ and OH after the precipitation process is complete? What are the concentrations of Cr?+ and OH after the precipitation process is complete?
Video: Power Supply Polyacrylamide Gel Protein Sample

For a complete list of videos, visit our video library