The correct answer is: a) Cyclones and storm surges.
Andhra Pradesh is a state in India that is located on the Bay of Bengal. The state has a long coastline, which makes it vulnerable to cyclones and storm surges. Cyclones are tropical storms that form over warm waters. They can cause heavy rains, strong winds, and storm surges. Storm surges are a rise in sea level that can occur when a cyclone makes landfall. They can cause extensive damage to coastal areas.
Earthquakes are another natural hazard that can occur in Andhra Pradesh. The state is located in a seismically active region, and earthquakes can cause significant damage to infrastructure and loss of life.
Volcanic eruptions are not a major threat to Andhra Pradesh. The state is not located in a volcanic region, and there is no evidence that volcanic eruptions have occurred in the past.
Landslides are a natural hazard that can occur in any mountainous region. Andhra Pradesh is not a mountainous state, and landslides are not a major threat to the state.
In conclusion, the correct answer to the question “Andhra Pradesh’s long coastline makes it vulnerable to:” is a) Cyclones and storm surges.