Answer:
The researchers discovered a negative relationship between mobile phone usage and students' academic performance, such that every 100 minutes that a student spent using their phone a day lead to the student dropping 6.3 places in terms of their academic school ranking.
<span>To think of your having such a tragedy in your life!" </span>
It is 4. because it says in the paragraph and I quote: "helium has a very low density. it is used in daily weather balloons to carry instruments that record, tempature, humidy, and pressure readings in the atmosphere.
Answer:
1. D
2. F
3. C
4. G
5. H
6. E
7. A
8. J
9. B
10. I
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