« previous next »

Author Question: What is the process of accretion? A) the separation of materials in a protoplanet by density, ... (Read 69 times)

Kikoku

  • Hero Member
  • *****
  • Posts: 540
on: Jul 27, 2018
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
Reply #1 on: Jul 27, 2018
Answer to Question 1

B

Answer to Question 2

E


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

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.

Did you know?

In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.

Did you know?

Blastomycosis is often misdiagnosed, resulting in tragic outcomes. It is caused by a fungus living in moist soil, in wooded areas of the United States and Canada. If inhaled, the fungus can cause mild breathing problems that may worsen and cause serious illness and even death.

Did you know?

Liver spots have nothing whatsoever to do with the liver. They are a type of freckles commonly seen in older adults who have been out in the sun without sufficient sunscreen.

Did you know?

Lower drug doses for elderly patients should be used first, with titrations of the dose as tolerated to prevent unwanted drug-related pharmacodynamic effects.

Styloid process Styloid process
The steps in the hearing process. (1) Sound waves enter the outer ear and travel through the ear ... The steps in the hearing process. (1) Sound waves enter the outer ear and travel through the ear ...
A container with gasoline containing alcohol. Notice the separation line where the alcohol-water ... A container with gasoline containing alcohol. Notice the separation line where the alcohol-water ...
Classification of ceramic materials on the basis of application Classification of ceramic materials on the basis of application
Diffusion as an entropy-driven process Diffusion as an entropy-driven process
As shown in the figure, a large open tank contains a layer of oil ( density 450 kg/m3) floating ... As shown in the figure, a large open tank contains a layer of oil ( density 450 kg/m3) floating ...
Video: Atrophy

For a complete list of videos, visit our video library