An 18,000-watt radio station transmits at 680 kHz. Calculate the energy of a single photon at the transmitted frequency. 4.5 x 10 -28 J/photon
1.2 x 10 -29 J/photon
4.5 x 10 -31 J/photon

In which process is oxygen absorbed by an organism asap apex

(! ) what’s fracking and what does it have to do with carbon, carbon dioxide, or fossil fuels?

Diego conducted an experiment to find out what kind of ball bounces the highest when dropped from a five-foot platform. he used a golf ball, a tennis ball, and a soccer ball. he dropped each ball from the balcony once. diego recorded his observations after each drop. what can diego do to best improve the reliability of his results? a) drop each ball from the platform three more times b) record his observations in more than one unit c) write at least two scientific questions after the experiment is complete d) share his results with other people who have done similar experiments you for the !