Something mysterious happened. It builds tension making the reader want to read more.
<span>Scientists use the SI system so they can compare information all over the world. They don't need to convert any units because people all over the world use it. Also, it's more accurate than the English system.</span>
Answer:
upscale or comfortable
Explanation:
someone who is wealthy is rich therefore they are more likely to have high end things, cars,houses etc.. you would also assume they would be living a comfortable life, with little troubles.
Yes, because it provides concrete evidence to the author’s claim.