It’s called diffusion, it’s the random motion of particles from high areas to low areas.
Polyp cnidarian form is the characterized by the cylindrical body with which a mouth surrounded by the tentacles at the end of cylinder and opposite where it can attached to the substrate or the colonial tissue
A colony of the single-cell organisms is also known as the colonial organisms. The difference between the multicellular organism and the colonial organism is that the individuals organisms that may form the colony or the biofilm can,
if separated, or survive on their own, while the cells from the multicellular organism (e.g., liver cells) cannot be Colonies usually that do not have the specialized tissues or the organs. Corn is the complex plant that may has many types of the cells that form the tissues and the organs with the different jobs. Each plant is made of the billions of cells
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I think it’s C not completely sure but it’s the most likely there isn’t anything with mechanical so this would be most likely
B- Metamorphic rocks. metamorphic rocks are formed through the change of igneous and sedimentary rocks. which sandstone and basalt are. metamorphic rocks are also formed through heat and pressure