Covalent network crystals usually have the highest melting points and boiling points.
Answer:
The answer is
D. Main sequence
Explanation:
Main sequence stars can be between one thousand times dimmer and one million times brighter than the Sun.
What is main sequence stars?
A main sequence star is any star that is fusing hydrogen in its core and has a stable balance of outward pressure from core nuclear fusion and gravitational forces pushing inward.
276mph that is easy because you times 11.5 with 24 which is the total number of hours per day
Answer:
Same 12, if it is not in ionic form
