The answer is B
A keystone predator would increase niche diversity and help reduce niche competition <span />
Answer:
A piloted spacecraft is always manned
A body of water that has experience eutrophication has way to many nutrients and minerals in it. This is caused from factory, agriculture,and road run off. It causes an excessive growth of plants in the body of water basically. Some of the minerals and nutrients include Sodium triphosphate and Phosphorus<span />
