« previous next »

Author Question: Which of the following statements about the atmosphere is true? A) The overall composition of the ... (Read 29 times)

wrbasek0

  • Hero Member
  • *****
  • Posts: 560
on: Aug 27, 2018
Which of the following statements about the atmosphere is true?
 
  A) The overall composition of the atmosphere has not changed with time.
  B) The component of air that makes it reactive is the element nitrogen.
  C) The hydrogen in the atmosphere is what makes it flammable.
  D) The atmosphere does not have much mass.
  E) none of the above

Question 2

The total number of electrons that can be accommodated in 3d is ________.
 
  A) 5
  B) 2
  C) 6
  D) 10


sarahccccc

  • Sr. Member
  • ****
  • Posts: 318
Reply #1 on: Aug 27, 2018
Answer to Question 1

E

Answer to Question 2

D


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

According to the American College of Allergy, Asthma & Immunology, more than 50 million Americans have some kind of food allergy. Food allergies affect between 4 and 6% of children, and 4% of adults, according to the CDC. The most common food allergies include shellfish, peanuts, walnuts, fish, eggs, milk, and soy.

Did you know?

If you could remove all of your skin, it would weigh up to 5 pounds.

Did you know?

Women are two-thirds more likely than men to develop irritable bowel syndrome. This may be attributable to hormonal changes related to their menstrual cycles.

Did you know?

Most women experience menopause in their 50s. However, in 1994, an Italian woman gave birth to a baby boy when she was 61 years old.

Did you know?

Although not all of the following muscle groups are commonly used, intramuscular injections may be given into the abdominals, biceps, calves, deltoids, gluteals, laterals, pectorals, quadriceps, trapezoids, and triceps.

Artist's conception of the New Horizons spacecraft passing over Pluto, showing its tenuous atmo Artist's conception of the New Horizons spacecraft passing over Pluto, showing its tenuous atmo
Blue light is scattered more than other wavelengths by the gases in the atmosphere, giving the Earth Blue light is scattered more than other wavelengths by the gases in the atmosphere, giving the Earth
true story true story
True Forget-Me-Not True Forget-Me-Not
“Windows” Through the Atmosphere “Windows” Through the Atmosphere
Average Chemical Composition of the Geosphere Crust Average Chemical Composition of the Geosphere Crust
Video: Role of the respiratory system - effect of altered ventilation rates

For a complete list of videos, visit our video library