Answer: The correct answer would be option a
Step-by-step explanation:
Physical properties of matter are those which can be observed without changing the composition of matter.
It includes properties like color, appearance, texture, lustre, odor, solubility, boiling and melting point, et cetera.
These properties can be detected with the help of our senses such as sight can help in detecting the appearance, lustre, texture, et cetera, odor can help in detecting the odor of the matter, et cetera.