Answer: 45 J
Explanation:
The formula for work is force x distance. 
W = fd
W = (30 N)(1.5 m)
W = 45 J
 
        
             
        
        
        
Answer:
I think A. The number of cacti, flowering shrubs, and desert trees that could grow during an extended dry period.
Explanation:
 
        
             
        
        
        
Answer:
Lay the leaves to be measured on a 1-cm grid and trace their outlines. Count the number of square centimeters. Estimate the area of the partial squares. ... Do not include the area of the stem (petiole) in your calculations.
 
        
                    
             
        
        
        
B because theyre in order of the number of protons