Answer:
Star A is 3.343 times hotter than star B.
Explanation:
It is known that the luminosity of a star is proportional to its effective temperature to the 4th power. This means that the ratio between the brightness of stars A and B is equal to the ratio between their temperatures to the 4th power:
![125=T^4\\T=\sqrt[4]{125}\\T=3.343](https://tex.z-dn.net/?f=125%3DT%5E4%5C%5CT%3D%5Csqrt%5B4%5D%7B125%7D%5C%5CT%3D3.343)
Star A is 3.343 times hotter than star B.
Udiicoeixu cd ieivucooie if uci
Answer:
Non primary directions
Explanation:
primary is north south east and west so non primary would be the counterparts of them
Answer:
Food security : The measure of the availability of food and individuals' ability to access it.
A pandemic : An epidemic occurring worldwide, or over a very wide area, crossing international boundaries and usually affecting a large number of people.
Europe is a country and it came from Middle East ok your welcome
