Questions tagged 'Earth'
7 questions
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...
Feb 13, 2025
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!
Feb 08, 2025
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
At what temperature did water freeze on earth 1 billion years ago
At what temperature did water freeze on Earth one billion years ago? The answer is 0°C.
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...
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
Oct 15, 2024
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?