To maintain freedom of the seas
In the year 1948 in Donora (Pennsylvania) smog killed 20 people and sickened about 7,000. The sulfuric acid, nitrogen dioxide and other toxic gases were caught in the thermal inversion and accumulated. It was one of the worst air pollution disasters in the history. Answer: C ) a thermal inversion and stagnant weather conditions.
Answer: D. 100
Explanation:
Green square has an area of 64 meaning each of its sides is 8.
Blue square has an area of 36 meaning each of its sides is 6.
Using these numbers we can find the hypotenuse of the right triangle by the pythagorean theorem which will give us 10.
10 times 10 = 100
Can you translate, to help you better :)
B. Tuskegee Army Air Field
