Answer:
Mixtures can be physically separated by using methods that use differences in physical properties to separate the components of the mixture, such as evaporation, distillation, filtration and chromatography.
Explanation:}
 
        
             
        
        
        
Answer:
The mass
Explanation:
The gravitational field of an object with mass increases as its mass increases. So, a larger object, like the earth, has a stronger gravitational field than a smaller object, like the moon. 
There are more factors that may play into this however. 
 
        
             
        
        
        
<span>Pioneer species is the first species to populate an area</span>
        
             
        
        
        
Answer:
c
Explanation:
Gas exchange. Gas exchange occurs as a result of respiration, when carbon dioxide is excreted and oxygen taken up, and photosynthesis, when oxygen is excreted and carbon dioxide is taken up. The rate of gas exchange is affected by: the area available for diffusion.
 
        
             
        
        
        
<span>The high and low tide are caused by the gravitational forces between the earth and the moon</span>