Nan is pregnant with her first child. she just found out that the baby has grown one pound since her last doctor's appointment. she is in the period of prenatal development.

That means she’s already in the 22nd week so the fetal period

He should put sand around the spill in order to contain it so that it won't spread

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.