Answer:
C if you plug it into the sentance its the only one that makes sense
Methane the most, small amount of oxygen and other gases
Any theory must contain a meaningful concept with new evolution to accept by the scientific community
The endosymbiotic theory hypothesizes that mitochondria and chloroplasts were formed when <u>prokaryotic </u>cells were engulfed by larger cells that were precursors to <u>eukaryotic </u>cells.
prokaryotic ; eukaryotic