Ever wonder what that beeping noise is on a Submarine? That's the sound that people use to bounce off walls and stuff.
This is called sonar detection. It enables us to tell where things are in the water like a Dolphin!
B) Suspect 2 is a match to the DNA evidence found on the victim.
Answer:
Hydrogen bond: A weak bond in which a hydrogen atom in one molecule is attracted to an electronegative atom, in the same or different molecule. Covalent bond: A type of chemical bond where two atoms are connected to each other by the sharing of two or more electrons.
Explanation: