Read this introduction to a magazine article. your hands are up, your eyes are squeezed tight, your mouth is poised to unleash a scream . . you are on a roller coaster. but are you recalling science-class lessons about gravity and inertia? are you contemplating the gears and mechanisms providing this thrill? it is unlikely that academics are on your mind, but lessons are lurking behind every ride. what will most likely be included in the magazine article that follows this introduction? a description of the history of roller coasterscriticisms about roller-coaster safetytestimony from roller-coaster enthusiastsan explanation of the physics of roller coasters

explanation of the physics of roller coasters

Explanation:

By reading the magazine introduction we can infere that we are reading a science magazine, a physics one to be more precise. We can know this because although they describe the sensations people feel when riding a roller coaster, they shift the topic to one related with science-class lessons and scientific terms. They want us to aknowledge that although we don't think about it, at the moment of adrenaline, a lot of theory and math was tought so you could have fun in a safe way. It is all prepared for a physycal explanation of the ride.

the answer is c because info security should not use them for code

i think the literacy device is "it's frozen head"