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

Author Question: What is the diameter of the galaxy, in km? A) about 1 billion trillion km (1021 km) B) about 10 ... (Read 52 times)

xclash

  • Hero Member
  • *****
  • Posts: 681
on: Jul 27, 2018
What is the diameter of the galaxy, in km?
 
  A) about 1 billion trillion km (1021 km) B) about 10 trillion km (1013 km)
  C) about 1 million trillion km (1018 km) D) about 100,000 km (105 km)

Question 2

Which of the following describes tectonics?
 
  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


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Eazy416

  • Sr. Member
  • ****
  • Posts: 360
Reply #1 on: Jul 27, 2018
Answer to Question 1

A

Answer to Question 2

C


xclash

  • Member
  • Posts: 681
Reply 2 on: Jul 27, 2018
:D TYSM

daiying98

  • Member
  • Posts: 354
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

The Centers for Disease Control and Prevention (CDC) was originally known as the Communicable Disease Center, which was formed to fight malaria. It was originally headquartered in Atlanta, Georgia, since the Southern states faced the worst threat from malaria.

Did you know?

The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.

Did you know?

ACTH levels are normally highest in the early morning (between 6 and 8 A.M.) and lowest in the evening (between 6 and 11 P.M.). Therefore, a doctor who suspects abnormal levels looks for low ACTH in the morning and high ACTH in the evening.

Did you know?

Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.

Did you know?

Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.

This image shows an artists depiction of a 10-kilometer (six-mile) diameter astero This image shows an artists depiction of a 10-kilometer (six-mile) diameter astero
Part of the Hubble Ultra-Deep Field image showing a typical section of space containing galaxies int Part of the Hubble Ultra-Deep Field image showing a typical section of space containing galaxies int
Elliptical Galaxy M32 Elliptical Galaxy M32
Sombrero Galaxy (M104) Sombrero Galaxy (M104)
Earth’s Oldest Preserved Rocks – 3.8 Billion Years Old, Greenland Earth’s Oldest Preserved Rocks – 3.8 Billion Years Old, Greenland
The diameter of a semicircle is 4 miles. What is the semicircle's area? The diameter of a semicircle is 4 miles. What is the semicircle's area?
Video: ribosome

For a complete list of videos, visit our video library