Answer:for filter feeding
Explanation:setae are used by filter feeders such as small crustaceans,baleen whales and marine prions.these organisms feed on suspended Feed in waters and so need a structure that allows them to extract the suspended particles from the water
B. They increase Earth's natural resources.
C. They increase people's ecological footprint.
D. They cause natural resources to be depleted.
Answer:
Weathering and erosion. Weathering is the process where rock is dissolved, worn away or broken down into smaller and smaller pieces.
Explanation:
There are mechanical, chemical and organic weathering processes. Organic weathering happens when plants break up rocks with their growing roots or plant acids help dissolve rock.