Answer:
To make someone brainliest there should be a crown sign next to that person's answer.
A perfect is the sun is high and brightly glowing on you face!
The answer is B) closed because it flows through things. For example: Light switches on the inside. I hope this helps.
The Nile River, The Congo River, The Niger River, and The Zambezi River
In 2050, Eastern Europe's population growth is predicted to be negative.