Salt=compound, soda=liquid solution, aluminum foil=element, milk=colloid,
steel=solid solution
<span>The smallest unit of a compound is called a molecule. The correct option among all the options that are given in the question is the second option or the penultimate option or option "B". The other choices are incorrrect and can be negated. I hope that this is the answer that has actually come to your desired help.</span>
A solid that forms and separates from a liquid mixture is a chemical change.
Answer:
Many emerging diseases arise when infectious agents in animals are passed to humans (referred to as zoonoses). As the human population expands in number and into new geographical regions, the possibility that humans will come into close contact with animal species that are potential hosts of an infectious agent increases.
Explanation:
Cations are formed by losing electrons in the valence shell of atoms. There are more protons than electron ions making the atom more positive.
