Answer:
B. Look around, since even a changed ecosystem is still an ecosystem.
Explanation:
Ecosystem refers to the interaction or relationship that exist between living organisms and its surrounding environment. This environment provides habitat, food and other needs to the organisms. If the people in the Midwest determine what kind of natural ecosystem they are in, they have to look around the environment they are living. This environment includes all the plants and animals that survive the change which occurs due to humans intervention.
Pretty sure it was A. Glaciers shaped the landscape. I Could be wrong. Let me
know. And if I did, please give me brainliest please.
Sunlit zone is depth of water exposed to sunlight, trenches is a long narrow ditch.
Answer:
plains form as ice and water erodes, or wears away, the dirt and rock on higher land.