If you are talking about the first air pollution problem its is A, almost about 100 years ago.
1955
<span>The movement known as the Enlightenment focused on the idea that problems could be solved using human reason. During the era of Enlightenment, the man was placed in the center of the world - no longer was religion and the church as important as it used to be. Now, humans relied on their reason and knowledge to solve their problems, and not turn to God who wasn't really there. </span>
Answer:
slavery, States vs. federal rights, Foreign relations with Europe, Growth of Abolitionist movement, Tariffs
Explanation:
I learned this last year
Both supported limited government role in the economy.
<span> Herbert, the president often blamed for doing nothing against depression believed in a limited role for government and worried that excessive federal intervention posed a threat to capitalism and <span>individualism. Reagan also believed in limited government role in the economy and thus did not initiate any welfare policy. </span></span>
The correct answer is C) increases.
<em>A catalytic combuster always increases the efficiency of a fireplace.
</em>
A catalytic combustor uses a ceramic honeycomb design of oval shape. It is coated with some noble metal to resist the heat. The smoke can be burned with this application. A catalytic combustor can increase the efficiency by 10% and the air pollution is reduced up to 75%, That is why a catalytic combuster always increases the efficiency of a fireplace.
The other options of the question were a) decreases and b) has no effect.
