<span>Many planets are made of gas, and in different situations, the atmosphere can be destroyed. 
The sun which is burnt measures atmosphere and in the same case planets can be in a good situation on galactic map and a great condition in the atmosphere as well as earth. 
For example, the mass of an object can attract a smaller object causing gravity. The bigger the masses of a planet when it is in the right condition the more atmosphere it can attract if there is any floating on the planet. If it is big it will make a gravitational influence and gather more gases.</span>
        
                    
             
        
        
        
The answer is "the ice-caps" from the north and south pole.
        
             
        
        
        
Answer:
The y-axis of a graph gives the units for the dependent variable.
Explanation:
Dependent variable is the variable being tested and measured in an experiment, it depends on the independent variable. 
 
        
             
        
        
        
Answer:
Folds are usually formed by Compression
Explanation:
Compression has to do with applying force to a material or substance to give another shape, in order to get a fold compression is used.
 
        
             
        
        
        
dominant trait is opposed to a recessive trait which is expressed only when two copies of the gene are present.