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:
Maintain school buildings.
Slavery in America began when the first African slaves were brought to the North American colony of Jamestown, Virginia, in 1619<span>, to aid in the production of such lucrative crops as tobacco.
hope this helps slavery started in 1619</span>
Answer:
As state services rise, state spending _increases_.
