15. look at the u-shaped body of water in the image. what's this body of water called?
a. an oxbow lake
b. a kettle lake
c. a meander
d. a delta

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

A(n) is a molecule influences the way that a molecule reacts.

How are fossils most commonly formed