Answer: The correct requirement for a black hole to form is:
C. The star must be 10 to 28 times larger than Earth’s sun, and a supernova explosion must have occurred.
Explanation: The least star that is larger than the sun is 10 times larger and a supernova explosion would have happen before a black hole to form.
C. Australia is moving at about ~7 centimeters a year, which is about 67 millimeters.
The territory of a duke or duchess is called a Duchy.
Answer:
I believe picking new president
