In a chemical bond, the electron pairs are responsible for the formation of a bond. The electrons are gained or lost from atoms so that they can enter into a bond with another atom.
The electrons of an atom may be gained by another atom to maintain the atom in a stable condition. This sharing of electrons is what results in chemical bonds in atoms. Usually, the electrons of the outermost shell of atoms are responsible for chemical bonding.
The writing of a person is controlled by an region located in the left part of frontal lobe of the brain which is known as the Broca's area.
Writing is a motor impulse send by the brain to the hand and fingers.
However, no two individual can have the same hand-writing.
This is because hand-writing is not only dependent on the brain to hand motor co-ordination.
It also depends upon the psychology, mentality, thought process, state of mind, nature of the person and also the influence of the surroundings on the person.
It also depends on the preference of the person to keep his writing artistic or simple or illegible.
All these factors can never match between two persons.
This is the reason, no two persons can share the exactly same hand-writing.
Answer: The chemical equation shown represents photosynthesis. Carbon dioxide + A + light ---x---> B + oxygen. What is the role of substance B in photosynthesis? ... It stores chemical energy.
