Because of the limit of the growth( ex, temperature, precipitation, sunlight soil)
The answer is B. Hope this helps :)
Answer:
b. dorsal column system
Explanation:
The backbone system is responsible for the sensation of touch and proprioception (which is the ability to recognize the spatial location of the body, its position and orientation, the force exerted by the muscles and the position of each body part relative to the others).
This system transmits information outside the body to a region called the postcentral gyrus in the cerebral cortex, which transmits stimuli, sensed by the body, to the brain.
a stem cell is an biological cell which is a divided cell so it can produce more cells.
the answer is actually A. chemical weathering by oxidation .
chemical weathering works on rocks that contain iron. These rocks turn to rust in a process called oxidation. Rust is a compound created by the interaction of oxygen and iron in the presence of water.