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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I think it is a but I could be wrong
Answer:
B. Was the largest arena ever created for entertainment.
Explanation:
The Colosseum was commissioned by emperor Vespasian around 70-72 AD, it was intended to be a gift for the people of Rome. Vespasian´s son, emperor Titus, inaugurated it with 100 days of games and spectacles. These included gladiator duels and wild beast fights. It was used for four centuries, after that it was neglected. The Colosseum is a symbol of Rome and its tempestuous history.
The answer is the second option, pyramids, because if you look at some of the most famous Mayan and Egyptian architectual works, you will see that they both have pyramids, they both might look different, but are used by both.
