The answer is: <span>D. The population of bluebirds will decrease, leading to an eventual decrease in the number of predators.
The unwanted </span><span>dumping of chemicals causes a decrease in the number of insects. The insects are eaten by bluebirds, but if there is not enough food for the bluebirds, they will die- decrease of birds. If there are less bluebirds, their predators will have less food, so many of them will also die.</span>
Neurotransmitters..........
Answer:
The correct answer is D.
Explanation:
Erosion often blows away the topmost soil so plow the topsoil often.
So the scientific and medical community can verify if this is correct and valid. Either by testing the trials or whatever the publish work entailed themselves. It can also establish the publisher as a credible source.
