Answer:
D
Explanation:
Because when you combine chemical substances they create a new substance unlike physical substances .
Answer:
D
Explanation:
the charges need to balence out
so finding the LCM which is 12 we find we need 3x's
and 4 zs
so that makes the formula X3Z4 which is D
For average speed, we divide the total distance covered by the total time taken.
After doing that, you will see that Jane has the lowest average speed.
Well theres 5 so times 2 equals 10
Because at atmospheric pressure the boiling point is below room temperature, just like Oxygen, Nitrogen etc