Answer:
Older rock layers are found under younger rock layers
Explanation:
It directly states in the sentence above the diagram that the bottom layer of rock is the oldest.
pigments are responsible for that if that doesn't help you. you can go to yahoo answers and search your question
Answer:
Natural selection is the process where organisms that are mostly adapted to their environment survive and pass on their genetic traits in generations.
Answer:
When the bladder is completely deflated, the fish has minimum volume and sinks to the ocean floor
What is a substance that can be formed through the ionic bonding of an anion and a cation?
Answer; salt
