Separation of Lanthanides/ Lanthanides and Actinides
Eruption of mount vesuvius
1.
2.
3.
4.
5.
6.
7. A. More dangerous. Being dormant for a long
time combined with building seismic activity is
a sign of disaster.
B. Less dangerous. Being dormant for a long
time actually decreases the pressure inside the
volcano and lessened the power of the
eruption.
C. Neither. Being dormant for a long time has
no affect on the size of the eruption.
8. A. The air became poisonous.
B. The lava was very hot.
C. The ashes were dangerous to humans.
9. • A. Only 10 people survived.
• B. Almost everyone survived.
• C. No one survived.