Which process that occurs during meiosis contributes to a germ cell having unique genetic material? a. replication b. transcription c. crossing over d. spindle formation

I do believe that it is C. crossing over :) I hope that is correct, it seems like the only plausible answer. 

The salt in the sea water dehydrated the sailor because her body could not take in the amount to salt in the sea water

1) the mayans built pyramids just like the egyptians. the mayans also used hieroglyphics like them.2) power was passed down by family. for example, if the father dies, the son would be the next king.3)they both built pyramids for their structures.4)the main crop for the mayans was maize.5)they also grew manioc, beans,  squash,  amaranth, and chile peppers.