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 44 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
Excellent

laurnthompson

  • Member
  • Posts: 334
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

Hypertension is a silent killer because it is deadly and has no significant early symptoms. The danger from hypertension is the extra load on the heart, which can lead to hypertensive heart disease and kidney damage. This occurs without any major symptoms until the high blood pressure becomes extreme. Regular blood pressure checks are an important method of catching hypertension before it can kill you.

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?

The first monoclonal antibodies were made exclusively from mouse cells. Some are now fully human, which means they are likely to be safer and may be more effective than older monoclonal antibodies.

Did you know?

The horizontal fraction bar was introduced by the Arabs.

Did you know?

The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.

Astronomers identified 12-billion-year-old white dwarf stars only 100 light years away from Earth Astronomers identified 12-billion-year-old white dwarf stars only 100 light years away from Earth
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
Sombrero Galaxy (M104) Sombrero Galaxy (M104)
Airflow through the large diameter upper intake manifold is distributed to smaller diameter ... Airflow through the large diameter upper intake manifold is distributed to smaller diameter ...
Spiral Galaxy Messier 83 Spiral Galaxy Messier 83
Barred Spiral Galaxy Barred Spiral Galaxy
Video: Types of energy transfer reactions: oxidation-reduction reactions and ATP generation reactions

For a complete list of videos, visit our video library