Answer:
look it up
Explanation:
if y'all paid attention in class y'all would know like honestly y'all are lazy do some research
No it isnt a rational nu7mber.
<span>B. the complementarity of DNA and RNA
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Answer:
irritate people's breathing, ling cancer, asthma
Explanation:
Particulate matter in the air decreases life expectancy according to many researchers. Pollutants such as ozone irritate people's breathing, trigger asthma symptoms and cause lung and heart diseases. Exposure to environmental tobacco smoke causes many severe respiratory health problems such as asthma and lung cancer.