Answer is: c. It is incorrect because sodium phosphate is a compound that has a single composition.
Sodium phosphate is chemical compound composed of atoms connected with chemical bonds.
Pure substance is made of only one type of atom (element) or only one type of molecule (compound), it has definite and constant composition with distinct chemical properties.
Pure substances can be separated chemically, not physically, that is difference between pure substances and mixtures.
Answer: this seems like YOU need to answer on ur own.
Explanation:
Answer:
A. animals do not make their own food.
Explanation:
Electrons are free to move throughout metal substance, shared throughout so electricity and heat are conducted well
This is a physical change.
