. 11. A 1,000.0-gram sample of dry rock fragments was
placed in a container of water, shaken for 3 minutes,
and strained through a wire screen. The mass of the
sample after shaking was 1,002.1 grams. Which
statement best explains this result?..
(1) The rock fragments were broken into smaller
pieces, resulting in additional mass.
(2) Some of the original rock fragments were lost when
the sample was strained.
(3) The rock fragments became wet when they were
shaken.
(4) The rock fragments formed new minerals that were
more dense.