Examlex
Which of the following is necessary to help raise the standard of living for the poorest segments of the population?
Biodiversity
The variety and variability of life on Earth, including diversity within species, between species, and of ecosystems.
Excessive Ultraviolet Radiation
Overexposure to UV rays from the sun or artificial sources, which can lead to skin damage and increased risk of skin cancer.
Ultraviolet Radiation
A form of energy emitted by the sun, invisible to the naked eye, which can have harmful effects on human skin and eyes but is essential for the synthesis of vitamin D.
Earth
The third planet from the Sun, characterized by its vast oceans, diverse ecosystems, and the presence of life, including human civilization.
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