Which structure is responsible for primary and secondary growth in plants?

a) petiole
b) meristem
c) xylem
d) mesophyll

15 ! come and answer! a(n) is the general term for an infectious disease that has spread across a city, region, or country.

Afisherman is dragging his boat from the shore out into the ocean. match the following lists of areas he will move over in the correct order. continental rise continental slope continental shelf [tex]1.[/tex] [tex]2.[/tex] [tex]3.[/tex]

What happens as electrons move along the chain of molecules known as the electron transport chain? they gain energy, which causes atp molecules to lose phosphate groups. they gain energy, which causes h *ions to join with oxygen to produce water. they lose energy, which is then used by the cell to make atp. they lose energy, which is then used to break down atp.