That easy..............<span>21 one is your technical answer according to todays rules but scientist used to think it was only 20 so 20 would be your answer</span>
To slow the process of pollution and to conserve material that can be exhausted or can run out
Biological Organisms: Living things that are capable of reacting to stimuli, reproduction, growth, and homeostasis. Organisms are classified by taxonomy into specified groups such as the multicellular animals, plants, and fungi; or unicellular microorganisms such as a protists, bacteria, and archaea.
Answer:
To compensate for the natural visual distortion in which tall columns appear to bend inward, the Greeks gave them a slight bulge, which is known as:
entasis
Explanation: