Search found 249 matches
2. Why did “meandering” streams change to “braided” streams after the Permian extinction?
3. What organism temporarily replaced reefs after the Permian extinction?
2. What are the first insects to arrive on a dead body?
3. You are given the mass spectra of pentane. What fragment does the peak at m/z=29 represent.
Congrats! That sounds like a cool instrument.