« previous next »

Author Question: Which of the following statements about the atmosphere is true? A) The overall composition of the ... (Read 46 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?

In inpatient settings, adverse drug events account for an estimated one in three of all hospital adverse events. They affect approximately 2 million hospital stays every year, and prolong hospital stays by between one and five days.

Did you know?

There are approximately 3 million unintended pregnancies in the United States each year.

Did you know?

A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.

Did you know?

Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.

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.

Temperature and Pressure in the Venusian Atmosphere Temperature and Pressure in the Venusian Atmosphere
The Atmosphere Screens Earth from Harmful Solar Radiation The Atmosphere Screens Earth from Harmful Solar Radiation
Composition of the Atmosphere Composition of the Atmosphere
Coal pollutes the atmosphere Coal pollutes the atmosphere
Anterosuperior view of true pelvis (blue) Anterosuperior view of true pelvis (blue)
Earth’s Early Atmosphere Earth’s Early Atmosphere
Video: Optic Nerve and Optic Disk Animation (Part 2 of 2)

For a complete list of videos, visit our video library