Agirl walks 2 km north, then 2 km east, then 2km south, then 2km west. what distance does she travel? what is her displacement?

Contrast how pollination is different among gymnosperms and angiosperms.

Milk production during breastfeeding is increased by the suckling of a newborn from his mother's nipple. this type of feedback mechanism best describes a positive or negative

In which way are mercury and venus similar? they both rotate from east to west. they are both small and rocky. they both have thick atmospheres. they both are similar to earth in structure.