Right-To-Know Law or the Hazard Communication Standard
Answer:
where things are located in relation to one another
Explanation:
<em>The answer is </em><em>Two </em><em> </em>
<em>-</em>
<em>and now im just tyypiing to fill the 20 letter limit thingyyy</em>
Because hot air is less heavy cold air is more heavy causing them to shift if cold air is placed on top.
A. Is predicted on less developed countries...... :)
