An old movie poster used a quote "in space, no one can hear you scream! " why this is true or not true

From 0 to 5 seconds john pushed a box 5 meters. from 5 to 10 seconds, paul pushed the same box another 5 meters. who did more work? a. john b. paul c. john and paul did the same amount of work.

Which component of the earth’s atmosphere is decreased due to photosynthesis?

Why should the wavelength scale of spectroscope be calibrated