Whats the difference between kms and miles?

Hi! I need help figuring out what a scientist and explorer have in common.. And what their differences are. Please help? Fast?

I have a science project 2 find out the difference between true and magnetic north; and the earths magnetic field. if you kno...

What is the difference in a 1 oz. Silver/gold coin and a 1 troy oz. Silver/gold coin ?

wats the difference between an atom bomb and a nuclear weapon?

what is the difference between a hydrogen atom and a hydrogen cation? I need to know for a Science work sheet but I have NO i...

???Whats the fancy-pants name for the big puffy clouds??? ...

In what ways do metamorphic rocks differ from the igneous and sedimentary rocks from which they were formed?

whats data inn a lab report for biology? [Google dosnt answer this] I tired sorry -.-

I want to know what the diference is please need this asap give me just two defenitions about it

Is there a difference between being in suspended animation and being cyrogenically frozen? What is the difference?