you are correct, it would be D. i hope this helps you out!
<span>The best answer to the question: "The destruction of salt marshes will directly harm each organism except" ... is Algae. Algae blooms are the biggest outcome of salt marsh destructions, which starve the water of oxygen making it uninhabitable, as the algae grows, it covers the surface of the water and harms almost every organism part of that ecosystem. So I would say algae.</span><span />
C clouds
Clouds form when the invisible water vapor in the air condenses into visible water droplets or ice crystals