Answer:
100 cc 
Explanation:
Heat released in cooling human body by t degree
= mass of the body x specific heat of the body x t
Substituting the data given 
Heat released by the body 
= 70 x 3480 x 1 
= 243600 J
Mass of water to be evaporated 
= 243600 / latent heat of vaporization of water
= 243600 / 2420000 
= .1 kg
= 100 g 
volume of water
= mass / density
= 100 / 1
100 cc 
1 / 10 litres.
 
        
             
        
        
        
Answer: 340.8W
Explanation: Please see the attachments below
 
        
                    
             
        
        
        
Don't listen to the other guy I just took the test and got it wrong because of him..
I re-took it and the correct answer is
A) Safety Data Sheets (SDS)
 
        
             
        
        
        
Answer:
The shadow will appear dark
Explanation:
Your shadow is caused by your body blocking incident light rays from reach the ground under the shadow area. The absence of light means there will be no light reflected from the ground making it appear dark. 
 
        
             
        
        
        
This is a physical change because cutting the string didn't change it chemically, but it did physically.