Answer:
4.54 billon years
Explanation:
the earliest time that life forms first appeared on Earth is at least 3.77 billion years ago possibly as early as 4.28 billion years
One of the challenges that scientists face when classifying a new fossil is that any tiny detail is all that separates one species from another. Further exploration is required to identify another set of characteristics that may help in deciding which organism belongs or create a new class.
Option 3; the other grams were realeased as a gas
Answer:
- Hair on body standing up
- Goosebumps Forming
- Shivering
Explanation:
Answer:minerals and rocks
Explanation: