Final answer:
Volcanic eruptions do have an impact on global climate patterns, causing short-term climate changes such as haze-effect cooling. An example of this occurred in 1783 when volcanos in Iceland erupted and caused a global cooling effect.
Step-by-step explanation:
Volcanic eruptions do have an impact on global climate patterns. While they primarily affect local climate, the gases and solids released during an eruption can influence the climate over a few years, causing short-term climate changes. For example, volcanic eruptions can release gases and particles that block out sunlight and lead to lower global temperatures, known as haze-effect cooling. An example of this occurred in 1783 when volcanos in Iceland erupted and caused a global cooling effect.