<span>conductor because it conducts the electrons</span><span />
10 grams of cocaine helps chalk to grow and the mass was increase a way lot more
Answer: Hydrogen molecules will have greatest average speed.
Explanation:
The formula for average speed is :

R = gas constant
T = temperature
M = Molecular Mass
Now putting all the values:



Thus average speed of hydrogen is 8 times the average speed of oxygen. Thus hydrogen molecules will have greatest average speed