Which layer is the coolest?
inner core
outer core
upper mantle
lower mantle

What are two australian geographical features that hindered early exploration? western plateau gulf of carpentaria great barrier reef great dividing range

Which two nations are doing the most to combat their environmental issues?

Which force of change to earth is caused by the movement of tectonic plates? a.erosion b.pollution c.earthquake d.wind i need and it’s 35 points so can someone plz me