Answer:
Formaldehyde can be added as a preservative to food, but it can also be produced as the result of cooking and smoking. Formaldehyde also occurs naturally in the environment. Humans and most other living organisms make small amounts as part of normal metabolic processes. Formaldehyde is also a byproduct of combustion. When burning natural gas, kerosene, gasoline, wood, or tobacco, formaldehyde is produced. Automobile exhaust is a common source of formaldehyde in our environment. Tobacco smoking in the home is another source of the chemical in the indoor environment.
Explanation:
Answer:
Jacob Riis
Explanation:
Jacob Riis was an influential figure that pioneered the use of photography. Throughout his lifetime Jacob Riis was a social reformer advocating for policies that would assist the vulnerable in the society.
<span> The 18th amendment.because their were so many african american slaves that were forced to work. The 18th amendment fixed that tho freeing all those people, that's why it affects so many.</span>
Answer:
Northern states felt thatreprentation in Congress should be based on the number of: The Northern states do not want slaves counted. Southern states felt that representation should be based on the number of: The Southern State wanted to slave counted in house Representatives.
The answer is “decreased”. Since the year 1969, the middle
class in the United States of America has decreased. There are many factors
associated in the decreasing number of middle class individuals in the US.
Either these individuals had moved to the higher class which is also known as
the rich class, or they may have fallen to the lower class. It may also depend
on the job of a person. Middle class individuals are considered to be part of
the middle class as long as their annual salary may be as high as only
$250,000.00 a year.
