Hello there.
Why did identifying rock layers because of their fossils become important?
It was the first indication that the layers were from different ages.
They include the kidneys, large intestine, liver, skin, andlungs. The kidneys filter blood and form urine. They are part of the urinary system, which also includes theureters, bladder, and urethra.
Explanation:
HIV virus is an RNA virus
Answer:
Real dinosaurs can not be studied because they died out many years ago. so this is how we are learning about the past
Explanation: