Questions by Mirko Froehlich

Questions by Mirko Froehlich

What is the surface area of a sphere with a radius of 20 m? 1,600π m2 800π m2 400π m2 200π m2

asked Jun 27, 2017

2 answers

4 votes

72.3k views

Both petroleum and coal are made up of complex carbon-based molecules, and both originated with living creatures of some kind. Both are vital sources of energy for the modern world and both were formed

asked Mar 15, 2017

1 answer

1 vote

220k views

Which of the following leaders pushed for an invasion of Europe by way of the English Channel? Joseph Stalin Adolf Hitler Franklin Roosevelt Winston Churchill

asked Dec 26, 2016

2 answers

4 votes

3.4k views

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