The brightness of a star is determined
a) only by its distance from earth
b) only by its size
c)by both is size and distance from earth
d) by its location in the night star

“other instruments such as gravimeters and magnetometers are also used in the search for petroleum. extracting crude oil normally starts with drilling wells into an underground reservoir. when an oil well has been tapped, a geologist (known on the rig as the "mudlogger") will note its presence. “ this is what i found on google i hope it

Ireally don’t know

You would need to take a picture so i can see

Transfer of electrons. hope it !