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rachel zimmerman was the person who invented the blisssymbol Printer, which enabled people that couldn't speak to communicate with other people-she was only 12 years old

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13y ago

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Why peerpressure is important to be research?

Rachel is a dyke. Guess who?? Haha Rachel is a dyke. Guess who?? Haha Rachel is a dyke. Guess who?? Haha Rachel is a dyke. Guess who?? Haha Rachel is a dyke. Guess who?? Haha Rachel is a dyke. Guess who?? Haha


Rachel Carson's book Silent Spring showed the ways in which Americans were poisoning their environment with?

Pesticides


When was oxi clean discovered?

It wasnt "discovered" it was invented by scientists Dr. Hannah Howard, Dr. Erin Miller, and Dr. Rachel Williams


What was Rachel Carson's conrtibutions to science?

Rachel Carson wrote a book called Silent Spring talking about the effect pesticides and insecticides could have on the delicate balance of nature. And she was right; once these chemicals enter an aquatic ecosystem, or air, it could, and will, make its way to the lives of living organisms. Remember, everything on this earth is interrelated, down to the smallest phytoplankton in the ocean. Fish could dissolve these pesticides in their fatty tissues (in a process called biological magnification, but that's for another time!) and we humans could eat them! With the same chemicals inside the fish! That's how important Rachel Carson's discovery was. You wouldn't want to find out that DDT was in the fish you ate last night, and you were going to be sick for the rest of the week, would you? ;)


Which statement best describes the focus on the Rachel Carson's book Silent Spring?

America must be more responsible in the use of pesticides that harm the environment.