Answer :

Explanation : To find density, we can use the formula as given below;
density ρ =

Here, we have the mass as 89.6 g and the volume is ,
on calculating we get,
This means that the density of the copper sample is
Answer:C) The blue star is hotter than the red star
Explanation: Blue fire is usually an indication of the hottest type of fire the range of temperature being 2,300 to 3,000 a real life example of this is if you light a lighter the bottom of the flame is blue and that part is the hottest part of the flame.
Indentifiyng species is the answer
A. To carry oxygen
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