Which scientist most inspired Darwin to pursue his studies of evoltion

What percentage of the earth's water is available for use by living things?

Match each fossil with the layer where it’ll be present based on those conditions.

28. the new systematic nomenclature was so ( that many chemists preferred to ( the older trivial names that were at least shorter. at least, that is the ostensible reason. actually, tradition seems to carry more weight than ( with some scientists.