Answer:
The movement of ions or molecules across a cell membrane into a region of higher concentration
Answer:
I think Galaxy hope this help in anyway!
Explanation:
The Arenal Volcano in Costa Rica
Yes. This is because natural gases can also come from natural sources like volcanoes and cows. Cows produce tons and tons of methane each year and volcanoes release many greenhouse gasses when they erupt.
Hope this helps!!!
