It depends on what illness and what country you are in but Mayo Clinic and Johns Hopkins are good sources.
No, options are given but I believe the answer would be
In a water cycle Solid state of matter has the particles closest together.
The answer is D. Small object made of ice and dust that orbits the Sun and forms a coma as it approaches the Sun.
I think the awnser is Dark Matter
Answer:
If you mean Lewis dot diagrams, aka electron-dot diagrams, then these are diagrams that show the bonding between atoms of a molecule, and the lone pairs of electrons that may exist in the molecule.
Explanation: