oxygen is an important gas in the atmosphere, making up about 21% of the entire atmosphere. which of these…

oxygen is an important gas in the atmosphere, making up about 21% of the entire atmosphere. which of these describes the importance of oxygen? it is vital for blocking harmful ultraviolet (uv) radiation from the sun. it is vital for animal respiration, allowing them to breathe and survive. it is vital for plant growth and the process of photosynthesis. it is vital for creating clouds and contributing to weather patterns.

oxygen is an important gas in the atmosphere, making up about 21% of the entire atmosphere. which of these describes the importance of oxygen? it is vital for blocking harmful ultraviolet (uv) radiation from the sun. it is vital for animal respiration, allowing them to breathe and survive. it is vital for plant growth and the process of photosynthesis. it is vital for creating clouds and contributing to weather patterns.

Answer

Brief Explanations:

Oxygen is essential for animal respiration. Animals inhale oxygen and exhale carbon dioxide. This process is crucial for their survival as it allows cells to produce energy.

  • Blocking UV radiation is mainly done by ozone ((\text{O}_3)) in the stratosphere, not molecular oxygen ((\text{O}_2)).
  • Carbon dioxide ((\text{CO}_2)) is vital for photosynthesis in plants, not oxygen.
  • Water vapor is more directly involved in cloud formation and weather patterns compared to oxygen.

Answer:

It is vital for animal respiration, allowing them to breathe and survive.