<span>Messages to the brain travel along the nerves, which are strings of long thin cells called neurons</span>
Are you asking for DNA or chromosomes or something? You asked for which of the following but then dont give the following
Answer:
correct option is A.
Succession is the process by which the structure of a particular community evolves over a specific period of time. There are two types of succession, primary and secondary succession. Primary succession is a type of succession that occurs in a place which is incapable of sustaining the growth of plants, that is, it usually occur on barren lands. All the options given above are examples of places for primary succession with the exception of option A.
I would say the second answers, growth. This is because we need the nutrients and vitamins from food to help us grow, and keep us healthy.
iconic bond -> sharing of many electrons
metallic bond -> sharing of electrons
covalent -> transferring of electrons
hope this helps...