The biceps and triceps act against one another to bend and straighten the elbow joint
 
        
             
        
        
        
it cause global warming which heats up the atmosphere and most animals in colder areas there homes are melting because of fossil fuels?
 
        
             
        
        
        
So option B (hybrids have lower fitness than either parent population) is the correct answer.
What is Reinforcement?
Reinforcement is a consequence used in behavioral psychology to strengthen an organism's future behavior when that activity is preceded by a specific antecedent stimulus. This strengthening impact can be quantified as a higher frequency of behavior, a longer duration of behavior, a greater volume of behavior, or a shorter latency.
To learn more about Reinforcement
brainly.com/question/1483660
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Answer:
leopold
Explanation:
In 1884-85, a conference held in Berlin, Germany, decided the colonial status of central Africa. Suspicious of each other's ambitions in the region, the European powers and the United States agreed to grant Leopold possession of the Congo River basin.