How does the density of the earth’s core compare to the other layers of the earth?
a) the core is the densest layer.
b) the core is the least dense layer.
c) the core is only less dense than the crust.
d) the core is only less dense than the mantle.

15. give an example for some particles or waves that are moving faster than light in everyday life 16. what is a laser? 17. what is an oscilloscope? 18. what does it means practically that nothing is faster than light in vacuum? 19. what is vacuum?

(1 point) match the differential equations and their vector valued function solutions. you may wish to multiply at least one solution out fully, to make sure that you know how to do it. you can get the other answers quickly by process of elimination and just multiply out one row element.

Which change would make the diagram correct?