brooklyns357
03.02.2020 •
Biology
What is likely to happy to the ecosystem pictured below after a period of time
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Ответ:
The answer is D. it may never recover because some kinds of lava will cover many areas and it will cool and get too hard.
Ответ:
Ans.
Mutagens are chemical or physical agents, having ability to alter the genetic material of an individual and cause mutations. Physical mutagens are physical agents or substances, such as gamma rays, X-rays, and UV rays.
Chemical mutagens include those chemicals that can cause mutations, such as nicotine, ethylene bromide, and nitrosamines. Tobacco is a chemical mutagen as it contains various mutation-causing chemicals, such as nicotine and nitrosamine.
Thus, the correct answer is option). 'tobacco.'