Respuesta :
The following environmental changes is most difficult to survive is Cyclic temperature fluctuations.
What are climate fluctuations?
Fluctuation or any form of regular change, except a trend and abrupt change. Oscillation to be subject to fluctuation tendentially variable and in a smooth and mobile way.
Among the main human activities that cause global warming and consequently climate change, the burning of fossil fuels for energy generation, industrial activities and transport; land use conversion;
See more about climate fluctuations at brainly.com/question/10278869
#SPJ2