I think its B
hope it helps
        
                    
             
        
        
        
1s orbital
Explanation:
The electron has to go into the first energy level, in the 1s orbital. Helium, with two protons, will have two electrons. These are placed one at a time into the 1s orbital. This makes helium a very contented atom.
 
        
             
        
        
        
The New Testament does not replace the old testament, however it fulfills it. Without the New Testament the Old Testament would just be a collection of tragic stories and unfulfilled promises. The Old Testament is the gradual unfolding of Gods plan of salvation
        
                    
             
        
        
        
Answer:
I honestly know its B cause I had the same question asked by my teacher 
 
        
             
        
        
        
Answer:
Mass
Explanation:
Mass is defined as the amount of matter in a substance. It is usually measured by balances such as the beam balance and scales. It is measured in grams or kilograms depending on the size of the body.
The process of Rock formation involves how a rock is formed which is usually by sedimentation or cooling of magma in volcanic eruptions. In rock formation study,the geologist measures the mass of the rock which enables knowledge of the amount of matter in the rock. This is be used to determine the weight of the rock and the rock type and properties.