Paul is describing a mineral to douglas over the phone. he explains that it has the same texture throughout but the color on the inside is different from the color on the outside. douglas tells paul that -
a) he is correct. paul has a mineral.
b) he is incorrect. a mineral has many textures.
c) he is correct. a mineral has one texture but more than one color.
d) he is incorrect. a mineral has just one color, inside and outside.

- "the choice that is not an indicator of a chemical change is "state of matter changes". more common than not, chemical reactions produce energy in the form of light or heat. along with energy, they also produce a new substance called the product that could be in any state of matter (solid, gas, or liquid)."

the product of the pressure and volume is also constant

answer; talc and gypsum;

so what is the problem with your lab report and whats the subject of the lab report? i will you