Answer:
This term was created by Charles Darwin based off his research on evolution
Natural selection is the differential survival and reproduction of individuals due to differences in phenotype. It is a key mechanism of evolution, the change in the heritable traits characteristic of a population over generations.
 
        
             
        
        
        
Answer:
30 percent 
Explanation:
Protein is essential in living organisms. They are the building blocks of life and help in the replacement and repair of work out tissues of the body. There are various sources of protein which are plant sources and animal sources.
Animal sources include land and aquatic animals.Sea Finfish, ocean catches, and fish-farming provide approximately 30
percent of animal protein sources consumed by humans in the world.
 
        
             
        
        
        
Answer:
False. Closing mines has economic impact on communities.
Explanation:
- Economy is impacted by any hindrance in activities of production,distribution and consumption of any good or services.
- So, closing mines too has great impact in economic sector of that certain area. 
- In many countries, mining has been the major source of economy and job opportunities for the community people. 
- Closing these mines results in downfall of economy and increased unemployment in that particular community.
 
        
             
        
        
        
Answer:
d. sewage treatment and nitrous oxide
Explanation:
 
        
             
        
        
        
<span>The answer would be: less; less
Repetitive Transcranial Magnetic Stimulation(</span>rTMS) and Electro Convulsion Therapy(ECT) are a treatment option for a patient with major depressions. Both of them is dangerous because it involves a stimulation of the brain and has a chance to do permanent damage afterward. rTMS is a newer method that has lower chance of side effect.