Answer:
<em>Hello There the correct answer A change in the size of a population over a given period of time is that population's The growth rate is the birth rate minus the death rate. Over time, the growth rates of populations change because birth rates and death rates increase or decrease. Growth rates can be positive, negative, or zero.</em>
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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.
Not sure but this guy fits the mold.
Brontosaurus