Is the information given mostly led with facts? If it is filled with opinions, you can not trust the source, because it is not reliable information. Also, are there references? The information must have reliable cites to back the information up.
D. Because it talks about how you would not be able to enjoy the sport without the physics, however it says nothing on how scientific principals effect snowboarding.
Answer:
noun
/ˈkämˌpound/
a thing that is composed of two or more separate elements; a mixture.
"the air smelled like a compound of diesel and gasoline fumes"
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adjective
/ˈkämˌpound,kəmˈpound/
made up or consisting of two or more existing parts or elements.
"a compound noun"
It is true that r<span>ecent studies appear to suggest that most of the glaciers in the alps are retreating.</span>