How does electrical energy travel? 1. through wires (conductor)
2. through an insulator
3. through space

through wires

Explanation:

Electrical energy passes through conductors but may also travel through space but select wires as it is a more common answer.

i'll try what topic lol

nucleic acid molecules are incredibly complex, containing the code that guarantees the four different nucleotide units comprise dna, the nucleic acid of interest to the genealogist. and one of four nitrogen-containing molecules called nucleotides