This topic contains a solution. Click here to go to the answer

Author Question: Most of the dark regions on Mars visible from Earth are: A) features like the Valles Marineris. ... (Read 56 times)

tichca

  • Hero Member
  • *****
  • Posts: 554
Most of the dark regions on Mars visible from Earth are:
 
  A) features like the Valles Marineris.
  B) lava flows from active volcanoes.
  C) mountainous regions.
  D) the seasonal growth of vegetation on the planet.
  E) volcanic planes like the lunar maria.

Question 2

The Ptolemaic model of the universe
 
  A) explained and predicted the motions of the planets with deferents and epicycles.
  B) is the basis of our modern cosmology.
  C) could not account for the stellar parallax observed by Hipparchus.
  D) describes the orbits of the planets as being ellipses, not circles.
  E) always kept Mars and Mercury between the Earth and Sun.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

peilian

  • Sr. Member
  • ****
  • Posts: 316
Answer to Question 1

E

Answer to Question 2

A




tichca

  • Member
  • Posts: 554
Reply 2 on: Jul 27, 2018
Wow, this really help


xiaomengxian

  • Member
  • Posts: 311
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

Did you know?

As many as 28% of hospitalized patients requiring mechanical ventilators to help them breathe (for more than 48 hours) will develop ventilator-associated pneumonia. Current therapy involves intravenous antibiotics, but new antibiotics that can be inhaled (and more directly treat the infection) are being developed.

Did you know?

About 3.2 billion people, nearly half the world population, are at risk for malaria. In 2015, there are about 214 million malaria cases and an estimated 438,000 malaria deaths.

Did you know?

Nearly all drugs pass into human breast milk. How often a drug is taken influences the amount of drug that will pass into the milk. Medications taken 30 to 60 minutes before breastfeeding are likely to be at peak blood levels when the baby is nursing.

Did you know?

Only one in 10 cancer deaths is caused by the primary tumor. The vast majority of cancer mortality is caused by cells breaking away from the main tumor and metastasizing to other parts of the body, such as the brain, bones, or liver.

Did you know?

There can actually be a 25-hour time difference between certain locations in the world. The International Date Line passes between the islands of Samoa and American Samoa. It is not a straight line, but "zig-zags" around various island chains. Therefore, Samoa and nearby islands have one date, while American Samoa and nearby islands are one day behind. Daylight saving time is used in some islands, but not in others—further shifting the hours out of sync with natural time.

For a complete list of videos, visit our video library