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2017-02-22 Science for Kids - Help:

Good Evening Aishwarya,    Human beings naturally divide the things they see into categories.  Trees, flowers, water, soil etc... Why do we do this?  As a species we are not the only ones who do this.

2017-02-22 Meteorology (Weather) - Weather charts:

Hi Alex    An isobar is a line on a surface weather map that indicates atmospheric barometric pressure that is the same reading on all points on that line.    An isallobar is a line on a surface weather

2017-02-22 Astronomy - Probability:

Hello, and thanks for your question.    First, the decision to reclassify Pluto - unbeknownst to many - was not based on any objective parameters but rather on a subjective definition that was voted on

2017-02-21 Advanced Math - Fluid Mechanics:

This can be shown by starting with one of the simplest forms of the equations of motion where we just have the velocity and pressure relation    ρDU/Dt = -∆p    where ρ is density, U is

2017-02-21 Physics - car crash, vehicle in motion hitting stationary vehicle:

All the damage?  Both cars should have sustained some damage, equal forces would have acted on both.  However, the different points of application of those forces may have caused unequal amounts of damage


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