When people share a common resource without agreement or
regulation of its use,
A. it is likely to become overused
B. it will last forever
C. it will never be overused
D. the possibilities are unknown

How does a gymnosperm prevent itself from pollinating the same tree

What did not occur in the proterozoic eon a)the oxygen levels increase greatly in the atmosphere,b)the emergence of the eukarya , c)muti cella’s eukaryotic organisms began to diversify,d)anaerobic bacteria kept thriving with more oxygen

In 2001, records showed that local stocks of fish were down worldwide. yet, records of harvests indicated that fish were being taken at records rates. what was actually happening?