Which can occur in a physical change?
The mass can increase.
The particles can arrange in different ways.
The mass can decrease.
The atoms can bond to different atoms.

The particles can arrange in different ways

Explanation:

Physical change is a change in state or phase which does not produce a new substance.  Physical changes include changing the state of a pure substance between solid, liquid, and gas phases of matter, like melting, freezing, vaporization, condensation, sublimation. The following can occur in a physical change:  The particles can arrange in different ways. Correct The particles can arrange in different ways. All other options are characteristics of a chemical change which results in new substance.

it would be B. The particles can arrange in different ways

Explanation:

answer: they produce more slow than unicellular organisms.

it should have an internal chamber and two thermometers sticking out of the top. the internal chamber will also be closed off from the outside.