Answer:
it's got to do something with milk I guess it's the sugary substance found in milk and it's a compound
The answer is most likely that the answer is B. Because Space is a dangerous place in which you need certain things to explore it. If you want to go to to Jupiter, for example you need lots of Oxygen, fuel, a good rocket, willing people and many more things, but there is a way technology can skip all that. the technology we have now is not capable of doing that though.
It is important to test only one variable, because 2 or more may cause changes in the original variable that weren't supposed to occur
