Cigarette smoking and environmental chemicals
Tobacco smoke and certain environmental chemicals are known carcinogens (substances that can cause cancer in living tissue). The tobacco smoke from cigarette smoking contains harmful chemicals such as hydrogen cyanide, arsenic, ammonia, benzene, and many more. In fact, from 2009 to 2013, three out of 10 cancer deaths in the U.S have been attributed to cigarette smoking or exposure to tobacco smoke.
Answer:
Renewable resources include timber, wind, and solar while nonrenewable resources include coal and natural gas.
The answer is C. The tomato plants are not harming other plant species, therefore they're not 'invading'.
Answer:
100,000th of a meter which is B
