
If a vector A is multiplied by a real number (say n), the vector of same nature is obtained but its magnitude is n times that of A.
The Rh factor(the Rhesus factor or Rh antigen), is a protein that can be found on the surface of red blood cells. It is one of the most important blood group systems in human blood typing. The presence or absence of the Rh factor is denoted as either Rh-positive (+) or Rh-negative (-).

the symbols used in the story are:
- house and shops- it symbolizes Aksionov's family and material possessions
- nightmare-it symbolizes a bad omen.
- blood-stained knife- it indicates Aksionov's lack of control over his fate.
- the prison- Aksionov's pain and subsequent mystical transformation are symbolized by the prison.
- the book(the lives of the saints)- gives an impression of religiosity.

Water is a vital substance for life on Earth, and it plays numerous important biological roles in living organisms. Some of the key biological roles of water are:
Universal solvent: Water is an excellent solvent for many substances, both organic and inorganic. This means that it can dissolve and transport a wide range of nutrients and minerals necessary for the growth and survival of living organisms.
Medium for metabolic reactions: Many metabolic reactions in living organisms require water...
SinceECu2+/CuECu2+/Cuhas a greater positive value thanEH+/HEH+/H, the reaction that is feasible at the cathode is
Cu2+(aq)+2eCu(s)