Which of the following is a physical change? (1 point) A) Turning a solid sodium and chlorine gas into salt
B) burning a piece of wood
C) Forming a mixture
D) Food turning into waste in the intestines

Maybe C.

Explanation:

A is a chemical change,

B is a chemical change

C is a physical change,

and D is a chemical change.

A physical change is when you combine something that you can take apart again, like salad.

A chemical change is when you combine something that you can't take apart, like Na + Cl = NaCl. It is incredibly difficult to take apart things at the atomic level!

Hope this helped!

explanation: it gains negative electrons, therefore becoming negatively charged. as charge cannot be created, nor destroyed, only transferred, this leaves the wool positive. now that they have opposite charges, the two items attract.

14 days is the half-life of phosphorus-32