Answer:
increases as you approach the poles
Answer:
supernova
Explanation:
When a high-mass star has no hydrogen left to burn, it expands and becomes a red supergiant. While most stars quietly fade away, the supergiants destroy themselves in a huge explosion, called a supernova. The death of massive stars can trigger the birth of other stars.
Hope this helps!
Answer:
Option C. Deep ocean canyon
Explanation:
The Mariana Trench is an example of a deep ocean canyon
Answer: A
Explanation:
roman empire founded - 27 bce
olmec founded - 1200 bce
egyptian empire collapse - 310 bce
maya collapse - 900 ad
