What is NOT likely to be a sign of global warming? 

A)  the spread of some tropical diseases into temperate regions 
B)  the bleaching of coral reefs in tropical areas 
C)  the increased retreat of some glaciers 
D)  tropical Pacific fish moving into tropical Caribbean waters

Global Warming

The long-term rise in Earth's average surface temperature, primarily due to human activities releasing greenhouse gases, resulting in climate change and associated environmental impacts.

Tropical Diseases

Diseases that thrive in hot, humid conditions, typically found in tropical regions, and often have significant health impacts on local populations.

Coral Reefs

Marine structures composed of the accumulated skeletons of coral organisms, which are significant for biodiversity and marine life support.