4.6 billion years ago - most likely hydrogen (H2) and helium (He)
probably rich in hydrogen compounds like methane (CH4), ammonia (NH3), hydrogen cyanide (HCN), water (H2O), and formaldehyde (HCHO). Also some N2, CO2 but LITTLE or NO free oxygen.
Molecules of H2 and He move really fast, especially when warm, that they eventually all escaped Earth's gravity and drifted off into space.
Answer:3.797 million miles
Explanation:
Answer: Agreement / Addition / Similarity
Explanation: The transition words like also, in addition, and, likewise, add information, reinforce ideas, and express agreement with preceding material.
Greeks who live on islands in the Aegean Sea make their living mainly from <span>fishing and tourism!
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