I believe the answer is C! The opposite sides are parallel
Answer:
That is much less often than in the last 150 million years, when the field has flipped every 600,000 years. In the last 10-20 million years it has sped up even more, to once every 200,000-250,000 years. "The evidence points to a more stable field in the very far past and fewer reversals," says Veikkolainen.
Measuring in light-years also allows astronomers to determine how far back in time they are viewing , Because light takes time to travel to our eyes. Everything we view during the dark in night has already been happened.
Answer:
Non-bird dinosaurs lived between about 245 and 66 million years ago, in a time known as the Mesozoic Era.
hope this helps <3
Contour lines do not cross one another because each line represents a different elevation on a topographic map.<span> </span>
