Fos·sil<span>ˈfäsəl/</span>nounthe remains or impression of a prehistoric organism preserved in petrified form or as a mold or cast in rock.
so B
Answer:
X is horizantal and Y is vertical
Explanation:
1. SI,
2. Number 10.
I'm pretty sure it's that, I just did something related to that.
Answer:
cell wall
Explanation:
Cell wall is the outermost boundary in plant cell whereas plasma membrane or cell membrane is the outermost boundary in animal cells. In a plant cell, cell membrane is found in the inner side of the cell wall.
