Answer:
Un organismo unicelular está formado por una única célula. Ejemplos de organismos unicelulares son las bacterias y las algas y algunos hongos, los protozoos. ... La mayoría de seres unicelulares son procariotas, como las bacterias, pero existen algunos seres unicelulares eucariotas, como los protozoos.
Explanation:
The Black Sea is a main body of water separating Europe and Asia.
It is only logical that mountain ranges form natural watershed boundaries because <u>water </u><u>from </u><u>rain </u><u>and </u><u>melting snow </u><u>flow to the </u><u>river</u>s.
<h3>Sources of Water for rivers. </h3>
- Rainfall and the resulting runoff.
- Water from natural ice.
Both of these come down from mountains and will be impacted by gravity to keep flowing downwards. This then forms or contributes to rivers and explains why mountains are generally next to watersheds.
Find out more on the <u>effects of mountains and rivers</u> at brainly.com/question/9606094.