In some areas, limestone is found underneath the soil. In these areas, water can wear away the limestone and sinkholes may form on the surface. What is responsible for the formation of sinkholes? A. chemical weathering

B. physical weathering

straight or amphibians are homeothermic to thermal

a unit of heredity that is transferred from a parent to offspring and is held to determine some characteristic of the offspring.

all these collisions do one thing, and that thing is explained in the last option. when dusst, rocks and ice collide, they harden and form giant layers of rocks or hard ice.

d)   to harden materials to form different parts of earth’s layers

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bioteacher101