
velocity is a vector so it has a magnitude and direction so the answer would be B
Even the cell membrane is like the cell wall its flexible and lets certain things in and certain things out.
Hydroxyapatite is the major component of bone that contributes to its hardness.
Nucleic acids (DNA and RNA) are the only known molecules that are able to store genetic information and transmit genetic information (copy it and pass it on). They are found in all living things on Earth.
-Agarvated