The offspring is unique and is not like its parent plant.
        
             
        
        
        
Star brightness is defined by either <span>D. apparent magnitude - when we measure it from Earth (that is how bright it is from Earth) - this is the closest to "basic observation" and the best answer
or by absolute magnitute - how bright it would be at a certain distance (this allows to compare the brightness). 
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Answer:
Burning fossil fuels add pollution in the air and also its not a renewable source.
Explanation:
When you burn fossil fuels (oil, Coal, And much more) chemicals can pollute the air sorrunding the area. which causes climate change and more.
If you could give brainliest that would be awesome!
 
        
             
        
        
        
Im pretty sure its mid ocean ridges,
if not then its Continetal Crust :3
        
                    
             
        
        
        
Mercury: 
-Smallest planet in the solar system
- Atmosphere composed of hydrogen, sodium, and oxygen
- Orbital period if about 88 Earth days
Jupiter:
- Largest planet in the solar system 
- Atmosphere composed of hydrogen and helium
- Orbital period of 11.86 Earth years