Answer:
Relative humidity, RH
Explanation:
RH, is the ratio of the amount of water vapor present in the air to the maximum amount of water vapor needed for saturation at a certain pressure and temperature
 
        
             
        
        
        
Answer: 
DNA
Explanation:
Thymine is one of the four nucleobases that pairs with adenine to make up DNA, also called 5-methyluracil. It is replaced by uracil to make RNA molecules during transcription.
Theferore the unknown chemical analyzed was DNA because thymine is found in DNA and not in RNA molecules.
 
        
             
        
        
        
Answer:
Many Indians believe in Hinduism, which preaches that cows are sacred. They might choose not to eat cow even during times of starvation because they are afraid of the consequences that come in the afterlife. Because cows are sacred, Indians believe that eating them might incur a net negative benefit when considering the afterlife. 
Explanation:
No article was provided and I don't particularly know much about the subject so this is my best guess. Please adapt this answer accordingly. 
 
        
             
        
        
        
The mass would be 0.5kg
To find the mass of an object with acceleration and force would be 
m = f/a
I hope this helps. Please rate Brainliest if it did :D