This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Which of the following describes erosion? A) the excavation of bowl-shaped depressions by ... (Read 38 times)

meagbuch

  • Hero Member
  • *****
  • Posts: 568
on: Jul 27, 2018
Which of the following describes erosion?
 
  A) the excavation of bowl-shaped depressions by asteroids or comets striking a planet's surface
  B) the eruption of molten rock from a planet's interior to its surface
  C) the disruption of a planet's surface by internal stresses
  D) the wearing down or building up of geological features by wind, water, ice, and other phenomena of planetary weather

Question 2

What is the source of luminosity for protostars that have not yet become hot enough for fusion in their cores?
 
  A) light absorbed from nearby stars B) energy released by infalling matter
  C) fusion in their low-density outer layers D) fission from concentrated radioactive elements


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

kristenb95

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

D

Answer to Question 2

B


meagbuch

  • Member
  • Posts: 568
Reply 2 on: Jul 27, 2018
:D TYSM

bimper21

  • Member
  • Posts: 309
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

Recent studies have shown that the number of medication errors increases in relation to the number of orders that are verified per pharmacist, per work shift.

Did you know?

Never take aspirin without food because it is likely to irritate your stomach. Never give aspirin to children under age 12. Overdoses of aspirin have the potential to cause deafness.

Did you know?

Famous people who died from poisoning or drug overdose include, Adolf Hitler, Socrates, Juan Ponce de Leon, Marilyn Monroe, Judy Garland, and John Belushi.

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?

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.

Differently shaped objects were placed in the nests of robins and catbirds. Differently shaped objects were placed in the nests of robins and catbirds.
Bacteria may be named for their morphology (shape): cocci (spherical), bacilli (rod shaped), or ... Bacteria may be named for their morphology (shape): cocci (spherical), bacilli (rod shaped), or ...
Wedge-shaped oil film curved around a bearing journal. Wedge-shaped oil film curved around a bearing journal.
Soil Erosion and Degradation in the world Soil Erosion and Degradation in the world
V-shaped Valley of the Yellowstone River V-shaped Valley of the Yellowstone River
An auxiliary fuel tank for a helicopter is shaped like the surface generated by revolving the ... An auxiliary fuel tank for a helicopter is shaped like the surface generated by revolving the ...
Video: Simple Diffusion - gases and nonpolar compounds transport

For a complete list of videos, visit our video library