The criteria pollutants are carbon monoxide, lead, nitrogen dioxide, ozone, particulate matter, and sulfur dioxide.
Answer:
to organize them and speak about them accurately
Explanation:
There are millions of species that exist on Earth. Many of them are yet to be discovered. They are named and classified into specific groups. This helps in organizing each specie according to the characteristics, and traits. The classification is done to show the hierarchy and focuses on the relationships that the organisms possess with other organisms about evolution. Classification helps in identifying and analyzing any specific specie accurately and particularly.
Answer:
Tooth enamel is the hardest substance in the body.
This resilient surface is 96 percent mineral, the highest percentage of any tissue in your body – making it durable and damage-resistant.
B, because species b has a higher percentage of survivors to old age than species C. Species a still has a higher rate than species C so the answer is b.