D is the correct answer since all others are highly unlikely.
Answer:
i would say True Beauce there put in the same category
(Non-flowering and seedless plants are known as cryptogams)
What layer of earth are they in?
Lithosphere
What are they floating on?
The asthenosphere (the weaker upper mantle)
What makes them move?
The intense heat from the earths core that causes molten rock in the mantle layer to move. It moves in a pattern called convection cells that forms when warm material rises, falls, and sinks down.
