Answer:
Hydrogen in the core of the star is converted to helium by nuclear fusion. When the hydrogen supply in the core begins to run out, and the star is no longer generating heat by fusion, the core becomes unstable and contracts.
Answer:
ikd lol, its the future so
I would say B because of their population
Answer:
The average luminance of the Sun is about 1.88 giga candela per square metre, but as viewed through Earth's atmosphere, this is lowered to about 1.44 Gcd/m2. However, the luminance is not constant across the disk of the Sun (limb darkening).
Explanation:
<span>some of the money that people deposit into a bank eventually becomes an injection into the economy when the bank : Loans the money
When the bank loans the money, the bank basically circulate the money from the hands of the wealthy who did their saving into the hands of the one that need it to sustain their lifes or business, which will technically improve the economy as a whole</span>