The tsunami that struck Asia in 2004 caused widespread damage.

Question

Which abiotic change had the biggest impact on local ecosystems?
Responses

survival of many coconut palm trees that could provide forage
survival of many coconut palm trees that could provide forage

soil contamination and destruction of microorganisms by saltwater
soil contamination and destruction of microorganisms by saltwater

introduction of many new species of fish that competed with local species
introduction of many new species of fish that competed with local species

the destruction of crops being raised on farmland

Answer 1

soil contamination and destruction of microorganisms by saltwater