MTTC 103 Elementary Practice Exam 2025 – All-in-One Guide for Comprehensive Exam Success

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What describes a significant effect of the depletion of the ozone layer?

People get darker skin

More UV rays enter the Earth

Increased skin cancer rates, build-up of greenhouse gases, and increased UV levels

The depletion of the ozone layer has significant environmental and health implications, primarily due to the increase in ultraviolet (UV) radiation that reaches the Earth’s surface. When the ozone layer weakens, it results in less protection from these harmful UV rays. This is linked to several adverse effects, including increased rates of skin cancer and other UV-related health issues.

In addition, the depletion of the ozone layer can contribute to a cascade of environmental impacts, including alterations in climate patterns and increased greenhouse gas concentrations, as well as heightened UV levels affecting ecosystems.

Thus, the choice that encompasses the wide-ranging effects of ozone layer depletion—namely, the rise in skin cancer rates, a varied impact on greenhouse gas dynamics, and elevated UV exposure levels—is the most comprehensive and accurately reflects the serious repercussions of this environmental concern.

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Increased build-up of greenhouse gases

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