Question 2 (1 point) ✓ Saved The outermost layer of the Earth is called the a)outer core b)mantle c)inner core d)crust
Question 3 (1 point) ✓ Saved After coalescing into a planetoid, the elements making up the Earth differentiated into layers based on a)temperature b)elemental mass c)color d) weight Question 4 (1 point) ✔ Saved The core of the Earth consists of a solid interior spinning within a liquid exterior that is composed of a) iron and nickel b) limestone c)mostly silicates d)lead and uranium
Question 5 (1 point) ✓ Saved At the beginning of the Big Bang, all the known elements existed in the Universe. True False