Which statement best explains why Earth's outer core is in liquid form? The iron-nickel alloy melts due to hot temperatures
The outer core has a tarry consistency.
This region is less dense when compared to the mantle.
This region is under extreme pressure from the weight of other layers.

Me the formula cacl2 represents the compound

What is the process of pulling apart an n2 molecule nevermind i got it

The image shows the evolution of a species of fish. a few fish from a population developed different social behaviors and evolved into different species. two fish according to the image, the fish underwent . the new species of fish had mating seasons that were different from that of the original fish. because of the differences in mating seasons, the fish underwent reproductive isolation. this mode of isolation would be .