How does the amount of matter change when water changes state? (2 points) a
The amount of matter always increases as water changes state.
Ob
The amount of matter always decreases as water changes state.
Ос
The amount of matter stays the same as water changes state.
o
d
The amount of matter varies depending on how water changes state.

An electrons position cannot be known precisely only it's probability of being in a certain location can be known

Which of the following is not a good technique for managing used oil? a) have specific, labeled catch pans available for technicians who are collecting oil b) spills in your shop and any releases on pavement or outside should be poured down a drain c) do not use oil containers for antifreeze or other non-similar fluids d) be prepared for oil spills with the proper absorbents

11. phosphorus-32 is radioactive and has a half life of 14 days. how much of a 124 mg sample of phosphorus-32 is present after 56 days? a) 7.75 mg b) 15.5 mg c) 31.0 mg d) 62.0 mg