It's <span>B. nicotine. It's very harmful to your health.</span>
Opiates, a class of drug.
The Sequence of the correct levels of organization for the multicellular organisms:
1.) Cells
2.) Tissues
3.) Organs
4.) Organ Systems
5.) Organisms
Answer:
ozone is dangerous at ground level.
Explanation:
Ozone is a very active gas. When it is lower down in the atmosphere, it is closer to living things and can harm them. It can damage the leaves of plants and effect how they use sunlight to provide food. In humans it can cause headaches, eye irritation, coughs and chest discomfort.