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 19 times)

dalyningkenk · **on:** Jul 27, 2018

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