Cracks in rocks : mechanical
Lichen growing on rocks : chemical
Roots or plant growth making cracks in the concrete : mechanical
Worn away statues : chemical and mechanical in my opinion
Exposed rocks : mechanical
Rust on rocks : chemical
Answer:
Eratosthenes successfully applied his scientific research to create an illustration of the first world map.
~Hello there! ^_^
Your question: If the sea level were to be lowered, which feature of the ocean basin would be most readily visible...?
Your answer: If the sea level were to be lowered, continental shelf would be the feature that would be the most readily visible. The rest are deep oceanic features.
The answer is option B.
Happy Studying! =)