Answer: E. Carcinogen
Explanation: The formation of cancer is often termed as carcinogenesis. Carcinogenesis is caused by carcinogens which can be a substances in air, radiation which could cause carcinogenesis, carcinogens may also be used to describe factors such as environmental, chemical or etiquettes which could result in the formation of carcinogenic cells.
Hence, carcinogen is any sort of substance or condition that can directly result to cancer. It could be a chemical substance, a virus, or medications and radiation used in the treatment of cancer.
Answer:
C). Hydrogen, carbon, nitrogen, neon.
Explanation:
Atomic numbers are described as the number of protons in an atom's nucleus which is denoted by the letter Z. The correct order of the atomic number of the given elements from low to high would be 'Hydrogen, Carbon, Nitrogen, Neon.' <u>The atomic number of hydrogen is 1 while carbon's atomic number is 6. Nitrogen's atomic number is 7 and Neon is a noble gas having an atomic number of 10</u>. This order is correctly displayed through <u>option C</u> and hence, it is the answer.
Answer:
Edgar Allan Poe was an American writer, poet, critic and editor best known for evocative short stories and poems that captured the imagination and interest of readers around the world.
The correct answer is letter C.
Explanation: Perfect competition is an ideal market situation where there are a lot of sellers and a lot of buyers. This scenario would favor a natural equilibrium in prices through the relationship between supply and demand.
Also called pure competition, perfect competition is a concept that is not true in the real world, and is more of a theoretical model than a practical one.