Reviewing the procedure, indicate where careless work could contribute to the error source you identified in the question above. Select all that apply. Calculation errors Using dirty (or leaving fingerprints on) cuvettes Not completely rinsing the excess chromate from the prepared Ag2CrO4 solid. Miscalibration that spectrometer Preparing calibration standards improperly

d. temperate deciduous forest

in 1783 cavendish was working with his hydrogen gas and found that when he burned it and condensed the vapor it was water. this was very significant since it disproved the greek theory of elements completely since water was not a simple substance but the product of two gases. it was lavoisier who hearing of the experiment gave cavendish's gas the name hydrogen ("water-producer") and added that hydrogen burned by combining with oxygen and that water was a hydrogen-oxygen combination.

explanation:

a compound is a molecule made of atoms from different elements.

a. by the combination of an unlimited number of elements

it takes on an electronical energy