rock fossils history of life
Answer:
best he
Explanation:
try the best answer will be
Answer:
youngest is top oldest is bottom
D) It is based on the position of rock layers.
<span>The difference is where the material came from. Spoils come from overburden and is discarded as waste, whereas, tailings come from left over dredging of steam beds that are discarded as waste as well. </span>
