Most likely because you don't know what could be in tap water (chemicals, germs)
Answer:
By looking at the different possibilities.
Explanation:
By looking at which letters correspond to which, you can tell what the chances are of being what.
Have a nice day! :)
Answer:
Plants, algae and photosynthetic bacteria provide an energy source for a majority of the worlds ecosystems.
Explanation:
Answer:
It is called friction and your hands get hotter. As you rub your hands together the particles on you hands bump into one other creating friction. As the friction increases the heat you are creating gets hotter.
Explanation:
I would make this sound a bit more professional but this is the basis of the answer.
Bacteria have 1 cell, they reproduce asexually and create other 1 cell bacterium.
