<span>Horror and Suspense are the two factors that make up the psychological suspense. It is also called a psychological thriller, it incorporates different elements such as mystery, drama, action and horror and it also emphasizes the psychology of the character who manipulates the audience or reader rather than the plot.</span>
Answer:
Originally developed as an insecticide, it became infamous for its environmental impacts. DDT was first synthesized in 1874 by the Austrian chemist Othmar Zeidler. DDT's insecticidal action was discovered by the Swiss chemist Paul Hermann Müller in 1939.
A and B are both correct answers, however with the statement of human cloning it does not lead to increased food production through biotechnology, so the only answer would be A
To help the frog to maintain homeostasis
