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.
Answer:
definetly the gym and the schoolyard it's just fax
President Thomas Jefferson commissioned the Corps of Discovery Expedition(1804-06), led by Meriwether Lewis and William Clark, to explore the territory acquired in the Louisiana Purchase, among other objectives. In 1801, Spain signed asecret<span> treaty with France to </span>return<span> Louisiana Territory to France.</span>
American president Thomas Jefferson (Democratic-‐Republican party) led Congress to pass the Embargo Act of 1807. Effects on American shipping and markets: Agricultural prices and earnings fell. Shipping-related industries were devastated.
The correct answer is A) The Chief Justice presides over the court's public sessions and private conferences.
The Chief Justice is the most powerful judge in the United States. With this power, he/she has the ability to control hearings over court cases that reach the Supreme Court. There have only been 17 Chief Justices in the history of the United States.