The best answer to the question above would be letter d. The sentence presented which is 'Researchers helped further the biological perspective when they demonstrated that electrical stimulation of the brain could evoke emotional responses in animals.' demonstrates how new discoveries can influence perspectives.
A Respiration by animals CO2 is being added.
B trees burning same
C tree leaves removed
D oil added
<span>If an electric charge is shaken up and down "A Magnetic field is created"
In short, Your Answer would be Option D
Hope this helps!</span>
Answer:
A few examples could be an increase in food, an increase in shelter, a decrease in predators, or more land.
Yes they can Only eukaryotes form multicellular organisms consisting of many kinds of tissue made up of different cell types
