lagarde
18.03.2021 •
Mathematics
Will give brainliest IF the answer is right and u have a explanation
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Ответ:
True
Step-by-step explanation:
If any number is multiplied by a negative in this case, the answer will of course be negative
Ответ:
Option D.
Step-by-step explanation:
Density of Hydrogen =
Density of Helium =
Now ratio of the densities =
=
= 0.22×
= 2.2
Density of Helium = 2× Density of Hydrogen
Therefore, density of Helium is approximately 2 times the density of Hydrogen.
Option D is the answer.