Answer: I am pretty sure c
Explanation:
Answer:
First, Petra sprays the discolored area with
Fluorescein
, which returns a glowing blue color. However, she knows that this chemical might also turn blue with other substances that contain iron. Subsequently, she uses
Phenolphthalein
, which turns pink, indicating the presence of hemoglobin.
The Pacific Ocean The reason for this is the Pacific Ocean is rounder and bigger!!
Answer:
A. The rock was made from more than one type of material
C. Sediments and other matter were deposited in layers before lithification
