A. The gravitational force of the sun increased. 
The gravitational pull increases as the mass increases
        
             
        
        
        
Answer: Solubility 
Explanation:
Solubility is the ability or property  of a solute which can be  a solid, liquid, or gaseous chemical substance to dissolve in a solvent (solid, liquid or gas) and form a solution. The factors that affect how soluble a substance is depends on the solvent ,temperature and pressure.
Here, Mario trying to dissolve certain substances (solutes) in water (the  solvent shows he is trying to find out the solubility of the substances which can be insoluble, sparingly soluble or very soluble.
 
        
                    
             
        
        
        
Answer:
Following are the responses to the given question:
Explanation:
In the given question the OH could be generated as the H-bond with both the N (nitrogen), which is used to place its N as the partially positive value(+). It is used to simplifies the addition for either its  AA with the imine C. In the above H-bond, the w N is not required as the possibility to use the OCH3
 
        
             
        
        
        
Answer : The correct option is, (B) 2, 3 and 6.
Explanation :
Combustion reaction : It is a type of reaction where a hydrocarbon react with an oxygen molecule to give carbon dioxide, water as a product.
In general,

For example : Ethane react with oxygen to give carbon dioxide and water.

In the given list,  is a reactant and
 is a reactant and  are the products.
 are the products.
Therefore, the correct answer is, (B) 2, 3, and 6
 
        
             
        
        
        
Answer:
if you want to copper plate something you need an electrolyte made from a solution of a copper salt .