Based on current climate trends, which type of event caused by physical environmental processes do scientists think is the most likely threat to australia in the future?

a.
overfishing

b.
flooding

c.
coral bleaching

d.
drought

The most likely threat that scientists think Australia has based on current climate trends is that of coral bleaching.  

Option C

Explanation:

The Coral Sea that lies to the east of the Australian continent is home to the world's greatest variety of corals. The Great Barrier Reef hosts about 2900 different reefs laden with species of corals.

These corals have been subject to starving as the colorful algae that these corals feed on are dying because of the consistent warming of ocean water in the region.

in 342 bc j._c. egypt fell into the hands of the persians, under the reign of nectanebo ii

greek city-states unite in a revolt against the persian empire at the beginning of the fifth century bc. j.-c  

from the year 660 or 659 bc ad, cyrus preached the revolt against the medes to deliver the persians.