Clasts Layer A
Layer B
Layer C
Fossils
Layer D
15. Based on the law of superposition, which layer of sedimentary rock is
the oldest?
O A. Layer C
O B. Layer B
O C. Layer D
O D. Layer A

The correct answer is true

A. - canada and the u.s 

Hey there 78724,answer: this was part of the brazil's rural development strategy. thus, brazil began a road construction programme.hope this : d~top

The first immigrants to settle in what is now the united states were the ancient ancestors of modern native americans. the precise routes of those first north american immigrants are disputed, but there is no uncertainty about the fact that every human being on the continent is either a recent immigrant or a descendant of earlier immigrants. since the first immigrants came here from asia more than thirteen thousand years ago, there have been four large and easily recognizable modern waves of immigrants into the united states.