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give at least 4 reasons characteristics of the planet earth that's why it can sustain lifeforms

Sagot :

Answer:

Here are four key characteristics of Earth that make it suitable for life:

1. Liquid Water: Earth has abundant liquid water, which is essential for all known life forms. Water acts as a solvent, allowing chemical reactions to occur within cells. It also plays a role in transporting nutrients and removing waste products.

2. Suitable Temperature Range: Earth's temperature is within a range that allows liquid water to exist. This is due to its distance from the sun and its atmosphere, which acts as a blanket to regulate temperatures.

3. A Protective Atmosphere: Earth's atmosphere shields us from harmful solar radiation, such as ultraviolet rays. It also contains gases like oxygen, which is essential for respiration in many life forms.

4. Geochemical Cycles: Earth has active geological processes, such as plate tectonics and volcanic activity. These processes release gases and minerals that are essential for life, and they also help to regulate the planet's climate.

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