When did scientists find new evidence to support Alfred wegener hypothesis of continental drift

Explain why scientists use shared characteristics to make cladograms.

How many moles of air are there in a human lung with a volume of 2.4 l at stp? explain your answer

What method(s) do plants use to obtain nitrogen? select all that apply. absorb it from the atmosphere use bacteria to convert nitrogen to usable form obtain usable nitrogen compounds from the soil absorb nitrogen from water taken in at the roots