Answer:
B. salt dissolved in water
Explanation:
a mixture is multiple substances mixed together
It is Acid Rain since animal activity and plant groth are not types of chemical weathering definetely with frost wedging being physical weathering.
Answer:
D. concentration, as the concentrations of reactants and products remain unchanged after equilibrium is reached.
Explanation:
I put it for the test and i got right hehe
Answer: Solids and liquids don't suddenly change their volumes.
But gases do...they expand to fill whatever container you
put them in.
Michael's mystery substance is in the gaseous phase.
Explanation:
