Author Question: What is the process of accretion? A) the separation of materials in a protoplanet by density, ... (Read 70 times)

Kikoku

  • Hero Member
  • *****
  • Posts: 540
What is the process of accretion?
 
  A) the separation of materials in a protoplanet by density, with dense material in core
  B) growth of an object by the accumulation of matter
  C) the breakup of large objects by violent collisions with other similar-sized objects
  D) the period of time during which the Sun swept away all the excess material in the solar nebula
  E) the process by which the solar nebula became heated during its collapse

Question 2

Venus and Mars probably evolved differently from Earth because
 
  A) they are slightly bigger than Earth.
  B) they are more massive than Earth.
  C) they have thicker atmospheres than the Earth.
  D) they formed sooner than Earth.
  E) they orbit at different distances from the Sun.



ms_sulzle

  • Sr. Member
  • ****
  • Posts: 320
Answer to Question 1

B

Answer to Question 2

E



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Medication errors are three times higher among children and infants than with adults.

Did you know?

Eating carrots will improve your eyesight. Carrots are high in vitamin A (retinol), which is essential for good vision. It can also be found in milk, cheese, egg yolks, and liver.

Did you know?

All adverse reactions are commonly charted in red ink in the patient's record and usually are noted on the front of the chart. Failure to follow correct documentation procedures may result in malpractice lawsuits.

Did you know?

By definition, when a medication is administered intravenously, its bioavailability is 100%.

Did you know?

As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.

For a complete list of videos, visit our video library