Answer:
Species interactions within ecological webs include four main types of two-way interactions: mutualism, commensalism, competition, and predation (which includes herbivory and parasitism).
Explanation:
Answer: B
Explanation: It is the question 2 that can be answered using scientific process. scientists can better explain the effect of plastic bags on birds.
The other question can be answered by research or logics.
Answer: 10 parsecs from earth
Explanation: