Answer:
A control group is someone who takes control over something so a tyrant or a dictator. 
Explanation:
If this isnt what your looking for let me know, there wasnt alot of context. 
 
        
                    
             
        
        
        
Answer:
A snow leopard  is one of the top consumers in the Himalayas who lives in dens that are close to somewhere to look down to watch its prey. They also use it's large paws to climb up slopes and snow and a long tale to balance on thin spaces to catch markhhors.
Explanation:
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Chlorophyll is an example of a pigment.
        
             
        
        
        
Answer:
B
Explanation:
Most planets in the solar system don't have water. Helium and hydrogen are two of the many gasses in planets. Therefore, B is the best answer.
 
        
             
        
        
        
Answer: 3.05L= V2
Explanation:
using 
P1V1/T1=P2V2/T2
 where p1= 345torr
T1, tempertaure= -15c+ 273=258K
T2, temperature= 36+ 273=309K
p2, Pressure= 468 torr
V2=???
 P1V1/T1=P2V2/T2
v2=P1V1T2/T1P2= 345X3.46L X 309/ 258X 468=
V2=  3.05L