Answer: Porous rock has gaps between rock particles that can fill with water. but i’m not 100% sure
Explanation:
Because other people cannot see what you are sending to somebody
chemistry is used in medicine and water and air are chemical
chlorobenzene
Carbon - 6
Hydrogen - 5
Chlorine - 1
that 1 chlorine replaces one of the hydrogens
thats why hydrogen number decreases by number of Cl atoms (that are substituting those H atoms)
No it depends on the molecules strength
