Questions by MZB

Questions by MZB

Europe and North America are moving apart at 2 cm per year. Find (or estimate) the width of the North Atlantic Ocean and determine how long ago the North Atlantic began to form. Use Wikipedia to find the

asked Sep 9, 2017

1 answer

1 vote

73.8k views

Why did the ancient Chinese organize large groups of people to build and maintain irrigation systems? based on an order from the emperor to accommodate for lack of dependable rainfall to pay tribute to

asked Jun 14, 2016

1 answer

4 votes

189k views

Express 230 in scientific notation

asked Oct 24, 2015

2 answers

4 votes

105k views

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