Select the correct answer. The roof of a grocery store collapsed during a tornado. Which factor of the store will engineers blame for this collapse?

A.

excess dead load

B.

strength of the store

C.

stability of the store

D.

excess stress

E.

excess live load

Two solutions of the same uv-absorbing molecule were analyzed by uv-vis spectroscopy on the same instrument using 1 cm pathlength cells. use data from the table to calculate by what percentage the concentration of solution b is compared to that of solution a.sample absorbance at 315nm a 0.45 b 0.80