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2017-01-21 Astronomy - cosmology:

Hi Richard,    I'll try and answer your fairly long question as simply and succinctly as I can. And it will be to the best of my knowledge and understanding. That said, in most areas of science, but especially

2017-01-21 Interspecies Conflict - Interspecies Conflict:

Hello Trish.  Good to hear from you.  My week was good overall.      1. Nile Crocodile vs 10 Gray Wolves: A Nile crocodile can weigh more than 15 gray wolves.  Because the crocodile will have a sizable

2017-01-20 Philosophy - please answer even it is outside of your expertise i badly need an answer:

Dear Grinca,    it's only because of your desperate cry contained in the question title ("please answer even it is outside of your expertise i badly need an answer") that I do answer your question.   

2017-01-19 Geometry - Direct and Inverse Varation:

Hi Aishwarya,    Direct and inverse variation are not the same as cross multiplying.  They are concepts used in problem solving.    Direct variation is when the independent variable increases proportionally

2017-01-19 Geometry - Percentage:

Hi Aishwarya,    Historically, 1 out of 100 was a convenient ratio for a rate of taxation.  It became a standard concept over time.    Mathematically, a percentage is just a fraction with a denominator

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