Answer:
B. Element
Explanation:
Tungsten is an chemical element
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.
The color changes, heat change, smell change, are a few
Answer:
I believe the organelle should replace the question mark!
