Nabil wants to work out the density of a pebble. he has a displacement can and a beaker. What other piece of equipment will he need

"i have always loved contemporary art and made it a general goal to work within the field. after a few nonprofit internships at museums and galleries, i decided to try the for-profit art world and was offered a job as the ad assistant at the magazine. i much prefer the pace of the for-profit art community and have stayed with the company for three years, with a promotion to an account manager last spring."

i just did this and got a 100.

0.19 m/s and 0.45 m/s

ok

explanation: