Well, an independent variable ids the thing that stays the same and a dependent variable is the thing that changes.
The number of half -lives that has passed after 105 hours for krypton-79 that has half-life of 35 hours is calculated as below
if 1 half life = 35 hours
what about 105 hours = ? half-lives
= (1 half life x105 hours) /35 hours = 3 half-lives has passed after 105 hours
I think it’d be C. I’m not 100% if it is tho
Answer:
Temperature
Explanation:
Kinetic energy of gass molecules is directly propotional to the temperature.
Here you go! Feel free to ask questions!
