Isotopes 
Atoms of the same element; number of protons remain the same, number of neutrons vary. Chemical properties remain the same. Atomic mass varies.
Na sodium with 11 neutrons = atomic mass of 22
With 22 neutrons the mass is 23.
Both have 11 protons in the nucleus.
        
             
        
        
        
Answer:
B, the lion population will more likely survive
Explanation:
There are more lions than cheetahs, the cheetahs will die out due to low reproduction 
 
        
             
        
        
        

<em>The star has a mass of 0.45 M ☉ and a radius of 0.48 R ☉. It has a temperature of 3620 K and is estimated to be about 9.54 billion years old.</em>
<em>Mean radius: ≥1.5(?) REart</em><em>h</em>
<em>Orbital period (sidereal): 35.68 (± 0.03) d</em>
<em>Eccentricity: 0.18 (± 0.13)</em>
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<em>#CarryOnLearning</em>
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<em>hit that heart and dont forget to follow hehe thx<3</em></h2>


