The answer is Walter Hess
Hess manipulated the diancephalon of the brain of cats by inserting metal rods in the hypothalamus regions of the brain, where the diencephalon is located, and passing electrical current through the rods to the brain region. He noticed that the cats, among other complex behavioral changes, would curl up and sleep.
The Electromagnetic spectrum<span> lists the most powerful EMR, </span>gamma<span> rays, to the least powerful EMR, radio waves. In addition, the highest energy waves (</span>gamma<span>, x-ray) have the shortest wavelengths. The lowest energy waves, radio waves, have longest wavelengths.</span>
Answer:
B. Convergent and subduction zones can cause trenches
Explanation:
the main human activity is air pollution
