Answer:
C
Explanation:
through captive breeding. Once they are breed, they should be released
 
        
                    
             
        
        
        
The correct answer is: desertification. 
Desertification is a process in which a land which was not a desert before, becomes one. This process can include drying out- through for example loss of water source, such as river diversion-  and the loss of vegetation. 
        
             
        
        
        
D. Because experimentation includes a control group. also, independent and dependent variables are part of an experiment they arent a type of research
        
             
        
        
        
Answer:
This is known as Population.
Explanation:
 A population is made up of organisms of the same kind living together in the same habitat. Characteristics of a population include the population size, frequency, density, percentage cover and distribution.
Factors that dominantly affect a population comes up especially in size and distribution. These factors include; migration of organisms to other habitats, invasion or colonization by new species, increase or decrease in birth and death rates etc
 
        
             
        
        
        
Answer:
dies of a undignosed disease at age 7
Explanation:
A terminally ill 7-year-old girl — who two years ago received Christmas cards from well-wishers around the world — died Friday at her Sanpete County home of an undiagnosed disease that had caused her to stop growing at age 3.