Complex sentence: Other planetary bodies such as the Moon and Mars do not possess both tectonic features within their ghost craters, possibly due to the accumulation rates of volcanic material on the Moon and Mars being slower than the rates on Mercury.
Split into simpler sentences: Other planetary bodies such as the Moon and Mars do not possess both tectonic features within their ghost craters. This might be because the accumulation rates of volcanic material on the Moon and Mars are slower than the rates on Mercury.