You don't have to answer this I just have to copy and paste my answer for a previous question because someone keeps being a donkey and reports me for no reason. B.) Performing a tensile test.

I say this is the answer because they are attaching objects to the ceiling and it wouldn't make sense for them to be testing the weight of the objects whereas there is no scale to monitor it. Attaching weights wouldn't to the ceiling measure the height of the ceiling. That leaves the only logical answer to be B.

Hope this helps and have a nice day.

-R3TR0 Z3R0

the language dates from the contacts of arabian traders with the inhabitants of the east coast of africa over many centuries. under arab influence, swahili originated as a lingua franca used by several closely related bantu-speaking tribal groups.

it granted civil rights to african americans.

randy pausch was a famous mathematician, writer and lecturer who is particularly famous for his last speech, given in 2007, "the las lecture", because he illustrates why one's dreams need to be pursued in a logical order if success is to be obtained, option c. at this time, pausch had been diagnosed with terminal cancer so he told the audience to follow their childhood dreams, which were possible to achieve. it has been recognized as one of the best motivational speech around the world.

like descartes, modern science also uses a clear method to discover answers to questions