After calculating your answer would be c 5x^3+2x-1
I believe the answer would be halogens
d= 8/10 so yah that was a guess
Answer: I do think that neighborhoods are an ecosystem
Explanation: a ecosystem contains living and non-living things, some examples are the people,plants,and pets are living organisms and the houses and the street lamps are non living. Therefore making a neighborhood a ecosystem
Kinetics is the study of reaction rates and how they are affected. Many factors, such as concentration, pressure, temperature, and enzyme activity, can impact the rate of a reaction.