2 1.1.4 Quiz: Matter Formation Question 5 of 10
What two things balance to maintain the shape of a star?
A. Orbiting and gravity
B. Pressure and velocity
C. Pressure and gravity

What role do traits play in affecting an organisms ability to reproduce? finches

What is one energy transformation that is taking place in the photo? radiant energy to thermal energy thermal energy to nuclear energy chemical energy to thermal energy radiant energy to chemical energy

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