Plz I ne ed some help.
Separate
edible salt and sand from their mixture and answer the following questions.
1. Which meth
od has been used in this experiment?
2. Explain the me
thod serially.
3. Explain your observa
tion and decision on the experiment.
4. What cautions have
you taken in this experiment?

How do forces between particles in gases compare to forces in the other states of matter? o a. the forces in gases are stronger than forces in solids but weaker than forces in liquids. o b. the forces in gases are weaker than forces in solids but stronger than forces in liquids. o c. the forces in gases are weaker than forces in solids and liquids. o d. the forces in gases are stronger than forces in solids and liquids. submit

Which characteristics can be used to differentiate star systems? check all that apply.

Which of the following is an indication that a substance has undergone a chemical change? a. no new product has been formed. b. the color of the substance has not changed. c. the original constitute has not changed. d. the molecular structure has changed.