C) the scientist made an identification by identifying the amount of drug in her blood and realising it was high
Answer:
C. Condensation
Explanation:
When molecules release heat energy, it is called exothermic. In this case, condensation would be an example of this.
The formula C2H4 can be classified as both a molecular formula
and an empirical formula. The answer is number 4.
Answer:
A open
Explanation:
I am not sure but i think it is!
