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

Author Question: About what percentage of molecules in the air make up the atmosphere below a 6-kilometer altitude? ... (Read 77 times)

lbcchick

  • Hero Member
  • *****
  • Posts: 550
on: Jul 29, 2018
About what percentage of molecules in the air make up the atmosphere below a 6-kilometer altitude?
 
  A) 20
  B) 30
  C) 40
  D) 50
  E) more than 50

Question 2

A block of wood with a piece of iron tied to the top of it floats in a bucket of water. If the wood and iron are turned over so that the iron is submerged beneath the wood, the water level at the side of the bucket
 
  A) rises.
  B) falls.
  C) remains the same.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

zenzy

  • Sr. Member
  • ****
  • Posts: 336
Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: E

Answer to Question 2

Answer: C


lbcchick

  • Hero Member
  • *****
  • Posts: 550
Reply #2 on: Jul 29, 2018
Both answers were spot on, thank you once again


zenzy

  • Sr. Member
  • ****
  • Posts: 336
Reply #3 on: Jul 29, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

Patients should never assume they are being given the appropriate drugs. They should make sure they know which drugs are being prescribed, and always double-check that the drugs received match the prescription.

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?

Barbituric acid, the base material of barbiturates, was first synthesized in 1863 by Adolph von Bayer. His company later went on to synthesize aspirin for the first time, and Bayer aspirin is still a popular brand today.

Did you know?

In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.

Did you know?

The term bacteria was devised in the 19th century by German biologist Ferdinand Cohn. He based it on the Greek word "bakterion" meaning a small rod or staff. Cohn is considered to be the father of modern bacteriology.

Maps are important tools in political science as they help us see relationships between politics and Maps are important tools in political science as they help us see relationships between politics and
The location of the variable fuel sensor can vary, depending on the make and model of vehicle, but ... The location of the variable fuel sensor can vary, depending on the make and model of vehicle, but ...
Water vapor is supplied to the atmosphere by local evaporation or horizontal transport (advection). Water vapor is supplied to the atmosphere by local evaporation or horizontal transport (advection).
Differences in the antigen-processing pathways between MHC molecules class I and class II. Differences in the antigen-processing pathways between MHC molecules class I and class II.
If the entropy of a collection of molecules in 5000 boxes is 1.76 × 10-20 J/K, how many ... If the entropy of a collection of molecules in 5000 boxes is 1.76 × 10-20 J/K, how many ...
Directional cloning of DNA molecules Directional cloning of DNA molecules
Video: Structures that affect circulation - venous return

For a complete list of videos, visit our video library