Mathematics: While walking home on a dark night, joanna saw a bright light in the sky and concluded that it must have been a spaceship from another planet. which of these questions could joanna answer using scientific methods of investigation? a) can aliens read our minds? b) does joanna actually believe in aliens? c) what is the aliens spacecraft made from? d) what percent of people in the area saw a bright light that night?

While walking home on a dark night, joanna saw a - id1390712, ilovecatsomuchlolol

sadie950

31.05.2020

D makes sense because it's the only option that is using a legitimate form of data collection.

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tifftiff22

31.05.2020

C i believe. hope this helps :)

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nayi2002

19.01.2022

Yes, it is a rational number

Step-by-step explanation:

-14/2

-7/1

Any number that can be addressed as a quotient or fraction is called a rational number

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