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Thin skin contains four layer(s) of keratinocytes, and thick skin contains five layers.
-4,5
-Hope this helps</span>
        
             
        
        
        
A. People can Change the way that the genes flow
 
        
             
        
        
        
D. ice core samples for the arctic and anarctic
 
        
                    
             
        
        
        
internal-organ function, breathing, digestion, and heartbeat. This system consists of two complementary parts: the sympathetic and parasympathetic systems.
 
        
                    
             
        
        
        
Answer:
- False
- True
- True
- False
- False
- True
Explanation:
A hypothesis is a supposition draw from data to carry an investigation or an argumentation. 
1. The onion cells I looked at have a nucleus. False, even though the statement is true, is not a hypothesis because is not a supposition, it is rather an observation. 
2. All onion cells have a nucleus. True, it is s a <u>valid hypothesis</u> because after the observation of 10 cells you draw a conclusion or supposition and affirm that all onion cells have a nucleus. 
3. All cells have a nucleus. True, it is a<u> valid hypothesis</u> it contains a supposition derived from data observation 
4. Some cells have a nucleus. False, the hypothesis is not valid because all of the observed cells contained nucleus not only some of them. 
5. Only onion cells have a nucleus. False, after the observation of the different type of cells you see that they all had nucleus. 
6. If I look at 10 skin cells from my hand, each one will have a nucleus. True, after the observation of different cells you can infer that if you look at your skin cells, they will have a nucleus.