Sinkholes and caves are an example of: A. Climate Change
B. Mechanical Weathering
C. Sediment Deposition
D. Karst Topography

I think it's D. Karst Topography

Explanation:

Karst is a topography formed from the dissolution of soluble rocks such as limestone, dolomite, and gypsum. It is characterized by underground drainage systems with sinkholes and caves. It has also been documented for more weathering-resistant rocks, such as quartzite, given the right conditions.

fabric is silk wool ext. paper isnt

explanation:

u cant make fabric out of paper cause paper comes from wood while fabric comes from animals

answer'(basidium)the spore--bearing structure of a basidiomycete is called a basidiocarp; ///