Impact of Global Warming
AP Environmental Science · Learn by Concept
Help Questions
AP Environmental Science › Impact of Global Warming
How many periods of warming and cooling cycles have there been in the Earth's history?
Explanation
According to NASA, there have been 7 warming and cooling cycles in the past 650,000 years. The reason this cycle has so much publicity is due to the rapid increase of temperature during on overall cool period. The fact that the rate of warming is significantly faster, correlating with human development, is the reason so many scientists are concerned about global warming.
Global warming can be directly and indirectly linked to many of the environmental problems we face today. Which of the answer choices would be most indirectly linked to global warming?
Invasive species
Acidification of the oceans
Habitat loss
All of the other answer choices are caused directly by global warming
Explanation
The problems of invasive species occurs most often due to human activity, not due to a shifting global temperature average. Acidification of oceans are directly related to 
Which of the following is not a projected issue following the furthering of global warming?
All of these are potential issues
Increased insect-borne illnesses
Faster spread of fungal diseases
More deaths (maybe 2x more) due to asthma and bronchitis
Explanation
All of these are likely effects of continued global warming. Diminishing food and water supplies is also an important outcome to consider - this especially could lead to immigration issues regarding environmental refugees and other international crises.