Register
Based on fossil evidence, about how long ago did the first single-celled life form appear on Earth?O 130 million years ago O 1. 5 billion years ago O 2. 5 billion years ago O 4. 1 billion years ago
40.6k views
5 votes
Based on fossil evidence, about how long ago did the

first single-celled life form appear on Earth?O 130 million years ago

O 1. 5 billion years ago

O

2. 5 billion years ago

O

4. 1 billion years ago

User Peter Schott
by
8.3k points

1 Answer

6 votes
1.5 million years ago.

Please let me know if i’m wrong, thank you!
User Indago
by
9.0k points
← Prev Question Next Question →

No related questions found

Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Other Questions

At sea level, water boils at 100 degrees celcius and methane  boiled at -161 degrees celcius. Which of these substances has a stronger force of attraction between its particles? Explain your answer
Physical properties of minerals graphic organizer
A snowball is launched horizontally from the top of a building at v = 16.9 m/s. If it lands d = 44 meters from the bottom, how high (in m) was the building?
What type of rock is the Haystack rock (igneous, Metamorphic, or Sedimentary)
what is a device that transforms thermal energy to mechanical energy
Link Copied!