Answer : The conversion used is,
Explanation :
The conversion used :

For example : To convert 10 feet into inches.



From this we conclude that, the conversion factor used in the numerator and denominator for 1 feet should be, 
It will approximately take 2 hours and 50 minutes
<span>The particles are far apart from each other.</span>
Answer:
33 Neutrons
Explanation:
Atomic Mass = # of Protons + # of Neutrons
Atomic Number = Proton count
Atomic Mass of Co = 27 Protons + x Neutrons
60 = 27 + x
x = 33
Answer:
True
Explanation:
True
Ethanol is non-toxic, water soluble and biodegradable substance containing 35% oxygen, Ethanol blended fuel contains more oxygen gives more complete fuel combustion and reducing harmful tailpipe emissions. Ethanol displaces toxic gasoline components like benzene, a carcinogen.