They stopped child labor thankfully..
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.
I hope it helps, Regards.
<span>The Political Instability Task Force (PITF), formerly known as State Failure Task Force, is a U.S. government-sponsored research project to build
a database on major domestic political conflicts leading to state
failures. The study analyzed factors to denote the effectiveness of
state institutions, </span>
