Why do we learn useless nonsense school, why don't we learn what we will actually use in life

I totally agree but, in my opinion its because of the government and what the state has control over. Teacher have little control over it.

“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

B. convex since the words are bigger