Answer:
~haha thats so funny heeeeeeheee~
Explanation:
i'm dead ;-;byeeeeeee
Outer core.
The densest layer is the inner core but it is not given as an option. The outer core is closet to the inner core, therefore it is the correct option.
A possible cause was a meteorite hit the earth. it caused many organisms to become extinct because it blocked out the Sun so plants couldn't grow and herbivores couldn't eat the plants and carnivores couldn't eat herbivores.
D) People who live in a tropical region would learn to conserve water.
