You should ask your teacher to be sure, but I think that you teacher meant like the mode of transmission.... Like genetically inherited and such.
Viruses have both rna and dna
In the periodic tables metals are on the left side and nonmetals are in the right side.... so we can know whether an element is metal or nonmetal by it's position on the periodic table..
Answer:
A covalent bond forms between two Nonmetals!
Explanation:
A covalent bond always forms between the electrons of two Nonmetals.
hope it helps!
