« previous next »

Author Question: Why is Mars so much colder than the Earth? A) because the albedo of Mars is higher than the Earth ... (Read 90 times)

809779

  • Hero Member
  • *****
  • Posts: 579
on: Jul 27, 2018
Why is Mars so much colder than the Earth?
 
  A) because the albedo of Mars is higher than the Earth
  B) because Mars has a much thinner, more diffuse atmosphere
  C) because Mars has a little less gravity than the Earth
  D) because Mars is farther from the Sun

Question 2

An atom of the element iron has an atomic number of 26 and an atomic mass number of 56. If it is neutral, how many protons, neutrons, and electrons does it have?
 
  A) 26 protons, 30 neutrons, 26 electrons
  B) 26 protons, 30 neutrons, 30 electrons
  C) 13 protons, 56 neutrons, 13 electrons
  D) 13 protons, 43 neutrons, 13 electrons
  E) 26 protons, 56 neutrons, 26 electrons


brittiany.barnes

  • Sr. Member
  • ****
  • Posts: 321
Reply #1 on: Jul 27, 2018
Answer to Question 1

B

Answer to Question 2

A


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

The toxic levels for lithium carbonate are close to the therapeutic levels. Signs of toxicity include fine hand tremor, polyuria, mild thirst, nausea, general discomfort, diarrhea, vomiting, drowsiness, muscular weakness, lack of coordination, ataxia, giddiness, tinnitus, and blurred vision.

Did you know?

Patients who have undergone chemotherapy for the treatment of cancer often complain of a lack of mental focus; memory loss; and a general diminution in abilities such as multitasking, attention span, and general mental agility.

Did you know?

Alcohol acts as a diuretic. Eight ounces of water is needed to metabolize just 1 ounce of alcohol.

Did you know?

Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.

Did you know?

Vaccines prevent between 2.5 and 4 million deaths every year.

False-color imagery of the Sun, a G-type main-sequence star, the closest to Earth. False-color imagery of the Sun, a G-type main-sequence star, the closest to Earth.
Ancient Oceans and Lakes on Mars Ancient Oceans and Lakes on Mars
The Mass of Impacts on Earth The Mass of Impacts on Earth
Earth’s Heat Budget Earth’s Heat Budget
Idealized Tidal Bulges on Earth Idealized Tidal Bulges on Earth
Parents who have higher levels of education encourage their children to be educated Parents who have higher levels of education encourage their children to be educated
Video: Role of the urinary system - acidosis and alkalosis

For a complete list of videos, visit our video library