3090000000nm
since there's 1m = 1000000000nm
varying composition is not a property of a pure substance
Answer:
what happened to it, have the gone extinct
Answer: Well then I guess Sara is having a good breakfast
Explanation: what was the point of this question?
Answer: Raw data, perhaps.
Explanation: I'm not certain what the question is seeking for an answer, but I would suggest "raw data" would be a reasonable choice. It reflects the data was recorded, but not yet processed to provide a conclusion or observation.
If one were a bit snarky, other possiblities include
- a pile of dung
- my labmate's scrawls, or
- the best web results I could find
