Question

how do floridas caverns form?
a) when vegetation such as mangrove trees is removed, the rock is eroded. this forms holes in the ground.
b) the repeated freezing and thawing of ice wedging breaks the rocks apart. then water washes away the sediment.
c) wind and rain physically weathered the rock into the sediment. as a result of mass wasting, caverns were formed.
d) acidic groundwater seeps through rock. it dissolves and washes away the limestone.

Explanation:

To determine how Florida's caverns form, we analyze each option:

• Option A: Mangrove removal causing erosion is not the main process for cavern formation in Florida (which has limestone, not related to mangrove - related erosion for caverns).
• Option B: Freezing - thawing (ice wedging) is more relevant to areas with significant freeze - thaw cycles, not typical for Florida's cavern formation (Florida has a warm climate, less freeze - thaw).
• Option C: Wind and rain physical weathering and mass wasting are not the primary processes for limestone cavern formation.
• Option D: Florida has limestone bedrock. Acidic groundwater (formed from carbon dioxide in water, making carbonic acid) seeps through the limestone, dissolving it (chemical weathering) and creating caverns. This matches the process of karst topography (cavern formation in limestone areas) which is common in Florida.

Answer:

D) Acidic groundwater seeps through rock. It dissolves and washes away the limestone.