<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>
When the air pressure within the alveolar spaces falls below atmospheric pressure, air enters the lungs (inspiration), provided the larynx is open; when the air pressure within the alveoli exceeds atmospheric pressure, air is blown from the lungs (expiration).
Answer:
Urine is produced in the kidneys
Explanation:
Urine is a substance which is a mix of urea and water. Urea comes from the liver and other parts of the body but it is made into urine in the kidneys.
<span>1.Fold Mountains (Folded Mountains)
2.Fault-block Mountains (Block Mountains)
<span>3.Dome Mountains</span></span>
It is between A and B.
But if the species is going to be extinct, that means that they are being threatened.
So the answer is B.
