Students who wrote about their thoughts before a test outperformed students who did not. What is the explanation for these results?

I think that they scored higher becuase there brain wasnt full of random everydy thoughts during the test. There brain had more room for the test and wasnt distracted

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 first american roller coaster was the mauch chunk switchback railway, built in the mountains of pennsylvania in the mid-1800s. the track, originally built to send coal to a railway, was reconfigured as a "scenic tour."