The answer is external stimulus
According to Twain man could not have ascended from lower animals (Darwin theory of evolution) because man makes cruel and horrible decisions, rather man descends from Higher animals. He proved his conclusions about man by using specific scientific method, he subjected every postulate itself to the crucial test of actual experiment and have adopted it or rejected it according to the results.
The central communication conduit
between the brain and the rest of the body is the spinal cord. The spinal cord
is a long thin structure that comes from medulla oblongata in the brain stem to
the bottom of the spine. The spinal cord is made up of nerves that transmit messages
between the brain and the rest of the body.
Answer:
The United Kingdom.
Explanation:
A republic can be defined as a form of government that is typically being ruled by the people.
In a republic, the citizens of the country have the supreme power and as such they are saddled with the responsibility of voting to elect representatives who make laws, decisions and govern the country.
All of the following countries are a republic;
I. Egypt (Arab Republic of Egypt).
II. United States of America.
II. Russia (Russia Federation).
<em>However, the United Kingdom is a unitary nation that practice both parliamentary democracy and constitutional monarchy. The parliament of the United Kingdom comprises of two chambers and these are the House of Commons (lower chamber) and the House of Lords (upper chamber). </em>
Answer: This is the definition and example of Osmosis.
Explanation: Osmosis is a process by which molecules of a solvent tend to pass through a semipermeable membrane from a region of high concentration of solvent to a less concentration of solvent, thus making the concentrations on each side of the membrane equal.
The cell membrane is also a selectively permeable membrane which allows only certain substances to pass through it. Mostly molecules move from a side where their concentration is high to a side where their concentration is less to make the concentration equal on both sides.