PLS HURRY WILL MARK BRAINLIEST A round, smooth rock was most likely changed by:

temperature
water
plant roots

The answer to your query would be Water, or the Second Option.

Explanation:

As you may know, water can erode material, although temperature cannot. Plant roots would not have the power to erode rock more than something smaller than the eye can see. Therefore Water is the only option that would make sense.

Hope This Helps!

weathering - colorado river carves land in arizona to form the grand canyon. cracks form in a sandstone wall surrounding a house. a marble statue near the science museum is changing color due to rainfall

erosion - after a rainstorm, soil and rock piees litter the roadways. the sand dunes in the sahara desert are changing shape.

here's your answer.

homeostasis is the tendency towards a relatively stable equilibrium between interdependent elements, especially as maintained by physiological processes. and this is how it applies to the integumentary system. back to top. skin functions in homeostasis include protection, regulation of body temperature, sensory reception, water balance, synthesis of vitamins and hormones, and absorption of materials. when body temperature falls, the sweat glands constrict and sweat production decreases.