Answer:
A. Abrasion
Explanation:
<em>"In abrasion, one rock bumps against another rock. Gravity causes abrasion as a rock tumbles down a mountainside or cliff. Moving water causes abrasion as particles in the water collide and bump against one another."</em>
<em>-Lumen Learning</em>
POLLEN GRAIN, SEED COAT, MEGASPORANGIUM AND EMBRYO. <--- ANSWER
Gymnosperms are seed bearing plants, which do not have the combination of specialized features that characterized the flowering plants.
Vacuole: is a cavity in the cytoplasm of a cell that contains inorganic or organic material such as fluid, food, or waste.
lysosome: are organelles that contain digestive enzymes. They digest excess or worn out organelles, food particles, and engulfed viruses or bacteria.
Mitochondria: is the "powerhouse" of the cell. They take in nutrients, break it down, and creates energy rich molecules for the cell.
cell membrane: protects the cell from its surroundings. It consists of a layer of lipid bilayer with embedded proteins.
I really hope this helps:)
