Mahmood is lifting a bag of cement. he uses 5 n of force to lift the bag 20 meters. if mahmood uses a machine to decrease the distance to 10 meters, he will

decrease the amount of work done
increase the amount of work done
decrease the amount of force needed
increase the amount of force needed

Decrease the amount of force needed

absorption lines are where light has been absorbed by the atom thus you see a dip in the spectrum whereas.

emission spectra have spikes in the spectra due to atoms releasing photons at those wavelengths.

explanation:

the answer would most likely be c, because if it's a comical piece of information, it may likely not be true, if it's a site that allows anybody to edit the content, it could mean a five year old is typing the info, and if it's a tv show produced by a celeb, it may have a biased opinion.