Monocots only have one cotyledon (vein) dicots have two
        
             
        
        
        
The precambrian era makes up about 90% of the earths history, but there was little to no living organisms at the time other than microscopic ones. The first eukaryotes were found in the cambrian period after the precambrian period, not only that but at the end of the precambrian era in the Proterozoic era there was a mass extinction of about 70-80% of all living organisms
        
             
        
        
        
Answer:
As the outer layer of your skin separates your body from its environment, the cell membrane (also known as the plasma membrane) separates the inner contents of a cell from its exterior environment. This cell membrane provides a protective barrier around the cell and regulates which materials can pass in or out.
Explanation:
 
        
             
        
        
        
Your answer would be <span>A/half red and half white. Hope this helps.</span>
        
             
        
        
        
pls tell me that which state of matter