new inventions such as machines 
 
        
             
        
        
        
According to the Big Bang theory, the universe was once very dense and is now expanding. 
        
             
        
        
        
A. Water being pumped in and out of guard cells.
        
                    
             
        
        
        
Answer:
Blood pressure is cardiac output versus resistance, especially in the capillaries.
Explanation:
When they get atherosclerosis, which is plaque in the arteries, there’s more resistance in the blood vessels and that raises blood pressure
 
        
             
        
        
        
Answer:
The organism belongs to the Protista kingdom as it is unicellular, has cell walls, and has the ability to produce spores.