Now that you’ve read the article, answer questions about the impacts of scientists. alfred wegener proposed the supercontinent pangaea. the science of paleomagnetism.

Alfred Wegener proposed

the supercontinent Pangaea.

John Muir

established the Sierra Club.

Which scientist warned about the misuse of synthetic pesticides?

Rachel Carson

the lowest among the social higher rank were the working class. this class remained detached to the political progression   of the country and was hostile to the other two classes

answer is 1935

because gandhi led a march the sea in 1930 and 5 years later he did it again