The answer is; C
According to 2015 data, the US produces approximately 766,200 million cubic meters of LPG annually with the second being Russia producing 635, 500 million cubic meters. LPG is usually made from converting natural gas from hydrocarbon underground into a liquid for transportation and use as gasoline of jet fuel.
the answer is differentiation
The correct answer is C. The temperature of the water
Explanation:
In an experiment such as the one described about the speed of snails in water, the manipulated variable is the factor or element that is manipulated on purpose. This means the researcher or researchers slightly change this element to compare how this affects another variable. In this context, the manipulated variable is the temperature of the water because researchers used three different temperatures (cool, room-temperature, and warm), and therefore they manipulated or changed this factor. Moreover, it is expected temperature affects the distance nails move, which is the main variable.
I think its the atmosphere ?????