Answer:
Its form.
Explanation:
Form is actual, three-dimensional shape, though it is often used to describe the illusion of three-dimensionality, as well. Like shape, form can be geometric or organic.
 
        
             
        
        
        
Answer: He cuts the grass everyday to keep the grass low to create the illusion of the yard appearing larger. By the end of the week he starts the cycle again to make sure the grass doesn't start overgrowing. 
 
        
                    
             
        
        
        
It is more critical for theater actors to have their lines firmly memorized because their performances are going to be live.  With a TV or film actor, for the most part, they can ask for the line and retake the shot.  There are a few live television shows but for the most part, things are recorded so while it is important for film actors, it is imperative for theater actors.
        
             
        
        
        
Answer:
Hindu- Arabic
Explanation:
The word “algorithm” is derived from the name of the scholar al-Khwarizmi. This man was responsible for introducing the Arabic numerals and Hindu-Arabic numeral system beyond the Indian subcontinent.