True. The continents are always moving and shifting.
Answer:sharp spatial contrasts in social and economic development exist between economic heartlands
Explanation:please give brainliest
The Mississippi and the Amazon are quite different in that <u>C) the </u><u>Amazon </u><u>is much </u><u>longer </u><u>than the </u><u>Mississippi</u><u>.</u>
The Amazon River:
- Is the second longest river in the world.
- Is longer than the Mississippi.
The Amazon river is measured to be a distance of 3,969 miles whilst the Mississippi is around 3,896 miles which means that the Amazon is longer than the Mississippi.
In conclusion, option C is correct.
<em>Find out more about the</em><em> Amazon River </em><em>at brainly.com/question/2526784. </em>
It seems you need to move the decimal three times over, then you round the number. So the answer would be 5.5 x 10^3.