Yes hydrogen is a non metal
Answer:
the first statement
Explanation:
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The answer is 18 you multiply wavelength (6) times frequency (3)
The sample of smoke described above can be described as a heterogeneous mixture. This type of mixture do not have uniform properties and composition. So, getting a certain small sample would not represent the whole mixture since it does not have uniform composition.
Answer:
for volume only liters can be used
Explanation:
