Potable water is water that is safe to drink
        
             
        
        
        
B. i guess ! don’t mind this brainly told me to put 20 characters.
        
             
        
        
        
Answer:
Microscopic ecosystems consist of the organisms that are microscopic in nature or that which cannot be seen by naked eyes. They are mostly found in soil oceans and some are even living in association with plant and animals.
Macroscopic ecosystem consist of the organisms that can be observed with naked eyes. 
They are mainly of 3 types:
- Terrestrial
- Aquatic
- Aerial.
 
        
             
        
        
        
Answer:
the shadows are called umbra and penumbra
 
        
             
        
        
        
Answer:
i dont understand 
Explanation:
free points on me who want em