1. Do any of the procedures give a clue that a chemical change occurred, but are not chemical changes? Which ones?

2. Develop a definition of chemical change using atoms and molecules in your definition. Use
complete, grammatically correct sentences.

what is the average time it took the car to travel 0.25 meters?

⇒ 2.23 seconds

what is the average time it took the car to travel 0.50 meters?

⇒ 3.13 seconds

може ли да зареждате повече информация, моля

(b) which contains higher levels of vitamin b, oranges or spinach?

explanation:

you can eliminate a, c, and d because they are questions based on opinions.