How does the size of a star influence its brightness

Based on what you know about the location of the earth in relation to the sun, why is this called the goldilocks zone in other galaxies?

[ou.01]which of these is the most likely use of an electromagnetic wave which has wavelength shorter than microwaves but longer than visible light? o heat food safely o neat food safely o take images of bones and teeth o transmit radio and cellular phone signals o take images of bones and teeth o transmit radio and cellular phone signals o detect the location of objects which emit heat

Asap will mark geography final plz ! what are the benefits of international aid? (give me the right evidence )