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The global average life expectancy is around 72.6 years. However, life expectancy can vary widely between countries and regions due to factors such as healthcare access, lifestyle choices, and socioeconomic status.

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1y ago

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Continue Learning about Earth Science

Does earth shape life or life shapes earth?

Life has shaped Earth through processes such as photosynthesis, which has transformed the atmosphere, while also influencing the climate and geography of the planet. At the same time, Earth's physical and chemical environment has provided the conditions necessary for life to evolve and thrive. Both life and Earth have had an interdependent relationship, each influencing the other in various ways.


What do you call zone of life on earth?

The zone of life on Earth is called the biosphere. It includes all regions of the Earth's surface, atmosphere, and hydrosphere where living organisms are found. This zone supports a wide variety of life forms and ecosystems.


What percent of life is in the Earth?

Roughly 70% of the Earth's surface is covered by water, which is home to a significant amount of life. However, most life on Earth exists in the oceans rather than on land.


Which gas in Earth's atmosphere suggests that there is life on Earth?

The presence of oxygen in Earth's atmosphere suggests there is life on Earth. Oxygen is produced primarily by plants and certain bacteria through the process of photosynthesis. Its abundance indicates the ongoing presence of life forms that release oxygen as a byproduct of their metabolic processes.


Which of are proposed theories of how life came about on Earth?

Some proposed theories on the origins of life on Earth include abiogenesis (life arising from non-living matter), panspermia (life arriving on Earth from elsewhere in the universe), and the RNA world hypothesis (life starting with self-replicating RNA molecules). These theories aim to explain the transition from non-life to the first living organisms on Earth.