2 is C or Abc of the Indus Civilization and Egyptian civilization breakthrough 3 is b or A
Answer: skin cancer
Explanation: Carcinogens may be defined as substances which are capable of inducing the development of cancerous cells in living tissue. The students described in the scenario, were of the opinion that subjecting frogs in a smoke filled environment fro a prolonged period will result in the development of lung cancer in the frog. The hypothesis might have stemmed from the thought of the risk in which smokers are very liable of being victims of cancerous cells. However, exposing frogs to such will not result in them developing lung cancer. However, carcinogens such as asbestos, vinyl chloride, benzene, nickel and so one have large tendency of resulting in skin cancer when exposed to air.
Brazilians can be really outgoing some others keep to there self it all depends
Statitistics boost credibility, makes for better speech. True
