the articles of confederation were the precursor to the constitution. they tried the articles first and when they failed they came up with the constitution.
Twelve federal reserve regions
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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The correct answer is A. The Yalta conference was a meeting between certain powerful countries such as the USA and USSR to decide how to defeat Nazi Germany. <span />
Answer: Ernest Hemingway,F. Scott Fitzgerald,Edwin Hubble that became famous
Explanation: these were a few hope this is what you were looking for
