I think it might be prism I’m not sure
The answer to your first question is the land becomes a lot dryer, so plants die. The answer to your second question is deposition.
D. Cones
Cycads are basically composed of woody plants which have roots, a stem, leaves and reproductive structures called Cones. These cones differ from each other depending on the plant whether it is female or male. These cones vary from shape, size, color, etc. based on the sex of the plant.
The larger cell would be able to get rid of the waste faster! The greater the surface-area to volume ratio of a cell, the easier it is for the cell to get rid of wastes and take in essential materials such as oxygen and nutrients through the plasma membrane!