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Questions tagged 'Earth'

7 questions

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Anonymous

Feb 19, 2025

The spheres that only earth has are a

Earth is unique among planets because it has a biosphere, which supports living organisms. While all planets have an atmosphere, many are toxic and unsuitable for life. The biosphere is what makes Ear...

What percentage of the Earth is covered by concrete and roads?

Hello MyBestAnswer members, I have a question: What percentage of the Earth's surface is covered by concrete and roads? Could you please provide a quick and accurate answer? Thank you!

Which best describes Earth’s south magnetic pole?

Which of the following options best describes Earth's south magnetic pole? A. Aligned with the geographic North Pole B. Aligned with the geographic South Pole C. Stationary D. Moving

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Anonymous

Oct 29, 2024

why does the earth have so much water? it’s like a big round swimming pool! how awesome is that?

Why does the Earth have so much water? It’s fascinating to think of our planet as a vast, round swimming pool. What factors contribute to the abundance of water on Earth, and how does this unique char...

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Anonymous

Oct 19, 2024

What component of Earth’s atmosphere exists entirely as a result of photosynthesis?

What component of Earth's atmosphere is produced entirely as a result of photosynthesis? A. Oxygen gas B. Water vapor C. Nitrogen gas D. Carbon dioxide gas

The orbital radius of Mars is 1.52 times larger than that of Earth. What is the orbital period of Mars in Earth years?

Given that the orbital radius of Mars is 1.52 times larger than that of Earth, what is the orbital period of Mars expressed in Earth years?