Sometimes, the dark spots on
the marshmallow can fall off
of the marshmallow. what
does this mean for the
system?
a. the system must include the pieces
that fell when determining the mass before
and after
b. the system does not need to include
the pieces that fell when determining the
mass before and after.
c. only the marshmallow must be
included when determining the mass
before and after.

Sometimes, the dark spots on the marshmallow can fall off  of the marshmallow. This means that, the system does not need to include  the pieces that fell when determining the  mass before and after.

its temperature is increasing. this causes molecular vibrations to increase.

some inherited genetic mutations can be good for the offspring, so the answer is different genetic mutations cause many forms of cancer.