I think it’s is A. I read about it somewhere
Answer:
A and D
Explanation:
At assembly meetings, all citizens would have the right to speak. Art was considered useless.
Answer: D - It shows that the form and structure of groups of organisms have changed over time
The first permanent settlement was Jamestown.
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: