Answer:
c - having controlled experiments within ethical limits.
Explanation:
 
        
             
        
        
        
Answer:
The predicted genotype of the offspring is GgRr.
Explanation:
The gray body is dominant over black body. The genotype of gray body is GG and the genotype of black body is gg. Red eyes are dominant over orange eyes. The genotype for red eye is RR whereas the genotype of orange eye is rr.
GGRR is crossed with ggrr, the offspring produced by this cross is GgRr with gray body and red eyes.
GGRR  ×   ggrr
  GgRr.
 
        
             
        
        
        
The reason it's so important is because say you were doing push ups. Most people hold their breath will doing any exercise, and that is really bad for you. The reason why you have to exhale completely is because if you don't, you can/will pass out because your brain won't have enough oxygen to pass down for your muscles to work properly.  
        
             
        
        
        
Answer: to help the economy
Explanation: none