mn giải cho mik vs

1. Between 2000 and 2012, natural disasters caused $1.7 trillion in damage.

->......................$1.7 trillion in damage was caused by natural disasters between 2000 and 2012......................(was)

2.Our seas aro seriously polluted. Fish and other marine creatures die everyday.

-> .....................If our seas are seriously polluted, fish and other marine creatures will die everyday..........................(if)