Answer:
The fossil record helps paleontologists, archaeologists, and geologists place important events and species in the appropriate geologic era.
Explanation:
It is based on the Law of Superposition which states that in undisturbed rock sequences the bottom layers are older than the top layers.
Answer:
A mutation near the middle of a gene changes the DNA to the following nucleotides: ATT. What kind of mutation occurred in this situation?
missense mutation
Explanation:
A good passing current is a small wave for example.
There are many answers to your question but one way is the evaporation cycle.