Managed retreat is built on the premise that natural coastal habitats such as marsh provide ecosystem services that can be given a monetary value. According to the Module 9 materials, which of the following statements is NOT true regarding coastal marsh ecosystem services? Group of answer choices The wider the marsh area between the defense structure and the open water, the more expensive the flood defenses need to be Research supports designing coastal protection projects that enhance the natural benefits of coastal ecosystems The wider the marsh area between the defense structure and the open water, the less expensive the flood defenses need to be Coastal marshes are effective in storm surge attenuation