What did the study in a Pennsylvania forest reveal about the environmental effects of using DDT?
Answer: Out of all the options presented above the one that best represents what the study in a Pennsylvania forest reveal about the environment effects of using DDT is answer choice C) DDT killed ladybugs, which caused the aphid population to rise.
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Kepler - discovered the 3 laws of planetary motion.
Newton- discovered law of gravity
Galileo - pioneered tbe scientific method
Bacon - was persecuted for his support of the heliocentric theory
Around 200 AD was the start of the collapse of the roman empire , it finally fell in 476 AD