Depends On The Shape. But definitely find the area
Answer:
The answer is D
Explanation:
The answer is D because when I learned A couple of weeks ago before we started the American Revolution last week my social studies teacher said that indigo was a pigment for clothes for mercantilism.
Answer:
Scientists think the smallest black holes formed when the universe began.
Stellar black holes are made when the center of a very big star falls in upon itself, or collapses. When this happens, it causes a supernova. A supernova is an exploding star that blasts part of the star into space.
Scientists think super-massive black holes were made at the same time as the galaxy they are in.
Explanation:
this is from a NASA website so if you need more answers just follow the link provided :)
https://www.nasa.gov/audience/forstudents/k-4/stories/nasa-knows/what-is-a-black-hole-k4.html
Here's what's happening: The oxygen in the air and the copper in the pennies form an oxide that coats the pennies and makes them look dirty. The acids (usually vinegar - acetic acid) break the copper oxide free from the penny. As we have seen experimentally, acid alone does not clean as well as acid and salt.
