Answer:
A
Explanation:
A is adaptations, not natural selection 
 
        
             
        
        
        
In the Grand Canyon, there are clear horizontal layers of different rocks that provide information about where, when, and how they were deposited, long before the canyon was even carved.
        
             
        
        
        
ʜᴇʟʟᴏ ᴛʜᴇʀᴇ!
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Formula mass of NaCl = 58.5g
0.4 x 58.5 = 23.4
She should bring approximately 23.4 grams.
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нσρє тнιѕ нєℓρѕ уσυ!
gσσ∂ ℓυ¢к :)
нανє α gяєαт ∂αу 
 
- нαηηαн ❤
        
             
        
        
        
Answer:
When a molecule moves down its concentration gradient is it participating in passive transport; moving up the concentration gradient requires energy making it Answer:active transport
 
        
                    
             
        
        
        
Answer:
C
Explanation:
it is chemical, not physical