<span>1 Chemicals can be toxic because they can harm us when they enter or contact the body. Exposure to a toxic substance such as gasoline can affect your health. Since drinking gasoline can cause burns, vomiting, diarrhea and, in very large amounts, drowsiness or death, it is toxic. Some chemicals are hazardous because of their physical properties: they can explode, burn or react easily with other chemicals. Since gasoline can burn and its vapors can explode, gasoline is also hazardous. A chemical can be toxic, or hazardous, or both.
</span>2 Non point source<span> water </span>pollution<span> is </span>difficult to control<span> because it comes from the everyday activities of many different people, such as fertilizing a lawn, using a pesticide, or constructing a road or building.</span>
The dam would add more support… instead of using dirt to hold up the rainfall running down from the mountain the dam would hold the water back and keep the water away from where it is headed
Answer:
The immune, lymphatic, and circulatory systems work together in protecting the body.
An alternation of generations for plants include a haploid gametophyte and a diploid sporophyte.
