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

Author Question: When we look at an object that is 1,000 light-years away, we see it ________. A) as it was 1,000 ... (Read 31 times)

dalyningkenk

  • Hero Member
  • *****
  • Posts: 598
When we look at an object that is 1,000 light-years away, we see it ________.
 
  A) as it was 1,000 light-years ago
  B) looking just the same as our ancestors would have seen it 1,000 years ago
  C) as it is right now, but it appears 1,000 times dimmer
  D) as it was 1,000 years ago

Question 2

The current atmospheric concentration of carbon dioxide on Earth is at its highest in over a million years.
 
  Indicate whether the statement is true or false



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

aloop

  • Sr. Member
  • ****
  • Posts: 315
Answer to Question 1

D

Answer to Question 2

TRUE




dalyningkenk

  • Member
  • Posts: 598
Reply 2 on: Jul 27, 2018
Excellent


kjohnson

  • Member
  • Posts: 330
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

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?

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?

When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).

Did you know?

Pink eye is a term that refers to conjunctivitis, which is inflammation of the thin, clear membrane (conjunctiva) over the white part of the eye (sclera). It may be triggered by a virus, bacteria, or foreign body in the eye. Antibiotic eye drops alleviate bacterial conjunctivitis, and antihistamine allergy pills or eye drops help control allergic conjunctivitis symptoms.

Did you know?

The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."

For a complete list of videos, visit our video library