Using the principle of faunal succession, if an unidentified fossil is found in the same rock layer as an index fossil, the two species must have existed during the same period of time (Figure 4). If the same index fossil is found in different areas, the strata in each area were likely deposited at the same time.
Answer:
Lemon juice and human blood are both acidic and, therefore, contain more H+ ions than OH- ions.
The theoretical percentage of their offspring that will have blood type O is 25 percent
Light that passes through a polarizing filter is called a vacuum.
