D. a cell wall.
reasoning: in a prokaryotic cell, they have no nucleus or organelles. a cell wall is the only answer that is neither of those.
Answer:
A rainwater containing carbon dioxide dissolves underground rock
Explanation:
Water in an underground rock is groundwater. Underground water can also erode and deposit material. Rainwater absorbs carbon dioxide (CO2) as it falls down to the surface. The CO2 groundwater creates landforms by getting rid of rock.
Through the urethra which is in a mans' penis or a woman's vagina.
