The 30 million years ago, because its the closest one to us. Wait is there a picture to it ?
Answer:
Flood barriers are very affordable, lightweight metal barriers may be installed in different places and taken away when water disappears.
Explanation:
B. It can cause widespread death
it can also
C. It may seriously impact healthy adults.
flu is caused by a virus (influenza) NOT bacteria
Vaccines are made, but may not necessarily be available for a pandemic right away (takes time to develop).
