Answer:
I believe it is 3 and 4. I really hope it is but i am positive :)
Answer:
B. A chemical change occurred which caused the liquid's physical properties to change.
Explanation:
The reduction of the temperature of the system meant that the reaction absorbed heat energy from it. This shows that a chemical reaction was in progress. New products were formed, and this is proved by the change in the color to blue.
Answer:skin cream
Explanation:
the independent variable is the variable that is always changed or manipulated. in this case the skin cream is the independent variable.
1. It is made out of Iron. 2. It's the hottest layer of the Earth, like super super hot.
The nonpolar end of a soap molecule attaches itself to grease.
