IdeasCuriosas - Every Question Deserves an Answer Logo

In Biology / College | 2025-07-05

What is the main function of the ozone layer above Earth's surface?

A. It reflects all sunlight away from Earth
B. It traps heat and contributes to global warming
C. It absorbs harmful ultraviolet (UV) radiation from the Sun
D. It allows more ultraviolet light to reach Earth's surface

Asked by mirandap1998

Answer (2)

The ozone layer primarily functions to absorb harmful ultraviolet (UV) radiation from the Sun, protecting both human health and the environment. It filters out 97% to 99% of UV radiation, preventing adverse effects like skin cancer. The ozone layer does not contribute to global warming or reflect sunlight away from Earth. ;

Answered by GinnyAnswer | 2025-07-05

The main function of the ozone layer is to absorb harmful ultraviolet (UV) radiation from the Sun, protecting human health and the environment. It blocks about 97% to 99% of UV rays, preventing issues such as skin cancer and ecological damage. Thus, the correct answer to the student's question is C: It absorbs harmful ultraviolet (UV) radiation from the Sun.
;

Answered by Anonymous | 2025-08-17

Related Questions in Biology

[Answered] A) Constitutive Perhaps 60-80% of genes are not regulated, but are C) Degenerative D) Repressed B) Continuous

[Answered] Which statement about the scientific method is true? A. The scientific method involves developing and testing conclusions. B. The scientific method is a linear approach to accumulating scientific knowledge. C. The scientific method is used in different ways by different scientists. D. The scientific method involves developing a question to answer a hypothesis.

[Answered] What characteristic of skeletal muscle fibers allows them to contract and move bones? A) The presence of thick and thin myofilaments organized into sarcomeres. B) The fibrous epimysium surrounding the fibers. C) The rich supply of blood vessels in skeletal muscle. D) The multinucleated structure of the fibers.

[Answered] Through which conversion is energy released? A. ADP to ATP B. ATP to ADP C. NADP${}^{+}$ to NADPH D. $CO _2$ and $H _2 O$ to $C _6 H _{12} O _6$ and $O _2$

[Answered] The regulation of the lactose operon depends on the level of which of the following substances in the medium? A) DNA polymerase B) RNA polymerase C) Lactose D) Glucose E) C & D