What is one expected consequence of global climate change? a. Average rainfall will increase. b. Average rainfall will decrease. c. Variability in rainfall will increase. d. We cannot make predictions about future rainfall.

Verified step by step guidance

1. Understand the question: The problem asks about the expected consequence of global climate change specifically related to rainfall.
2. Recall the effects of global warming: Global warming, a major aspect of climate change, influences weather patterns, including rainfall. It can lead to more extreme and unpredictable weather.
3. Analyze the options: Increased average rainfall (a) and decreased average rainfall (b) are too specific and do not account for regional variations. Option (d) is incorrect as scientists can make general predictions based on climate models.
4. Consider the impact on variability: Climate change is known to increase the variability in weather patterns, including rainfall, due to the intensified weather systems and disrupted atmospheric conditions.
5. Choose the best answer: Based on the analysis, the most accurate prediction is that variability in rainfall will increase. Therefore, the correct answer is (c).

Key Concepts

Global Climate Change

Global climate change refers to long-term alterations in temperature, precipitation, wind patterns, and other elements of the Earth's climate system. It is primarily driven by human activities, particularly the burning of fossil fuels, which increases greenhouse gas concentrations in the atmosphere. Understanding this concept is crucial for predicting its impacts on weather patterns, including rainfall.

Rainfall Variability

Rainfall variability refers to the fluctuations in precipitation patterns over time, which can include changes in the amount, frequency, and intensity of rainfall. Climate change is expected to increase this variability, leading to more extreme weather events such as droughts and heavy rainfall. Recognizing this concept helps in understanding the potential consequences of climate change on water resources and agriculture.

Predictive Climate Models

Predictive climate models are scientific tools used to simulate and forecast future climate conditions based on current data and trends. These models take into account various factors, including greenhouse gas emissions and natural climate processes, to make predictions about future rainfall and other climate-related phenomena. Understanding how these models work is essential for evaluating the reliability of predictions regarding climate change impacts.