I would go with c because its tells you right in there that the ecosystem help who lives around that area.
Yes. At the top of the hill they have potential energy. while riding down the hill the bike will pick up speed.
The cell cycle or cell-division cycle is the series of events that take place in a cell leading to its division and duplication of its DNA (DNA replication) to produce two daughter cells.
The sporophyte produces
cones, an evergreen tree
Diagnostic testing, I believe.
