I would say burning a campfire would contribute most to climate change over the others.
C)
        
                    
             
        
        
        
For an offspring to dominate a recessive trait, both parents must have at least one dominant allele in their genotype.
 
        
             
        
        
        
<span>The process in which animal excrement increases nitrogen levels and causes the growth of algae is called "algal blooming" . The phosporus and nitrogen increase due to the excrement is the cause of this phenomenon.</span>
        
                    
             
        
        
        
Answer:
False 
Explanation:
Most scientists were not yet concerned about global warming. This was because the major issue during the period between 1940 and 1970 was global cooling with little or no attention on global warming.
However things started to change due to more pollution as a result of technological advances. Global warming started becoming a concern between 1970s and 1990s because of the increase in steady surface temperature.
 
        
             
        
        
        
Answer:The larger, more menacing crusher claw also serves as a mating or sexual focus point, apparently the bigger the crusher claw the more attractive male lobsters are to female lobsters. Male lobsters develop proportionately larger claws than females of the same weight once they reach sexual maturity.