Which of the following behaviors is an example of chivalry?

a. farming the land in return for protection
b. rescuing someone who is in danger
c. taking an oath of loyalty to a lord
d. serving in the clergy

The rate at which molecules water and oxygen can enter a cell is determined by the-

How is mitosis different in plants and animals? a. in animals, the cell membrane pinches together. b. in plants, the dna is one circular chromosomes. c. in plants, there are no sister chromatids. d. in animals, a new cell wall forms.

Select the situation bellow that would produce a total displacement of zero. a. a trip to the moon and then to mars b. a horse galloping from one end of a field to another c. the criss-crossing path of a bug as it flies from flower to flower d. a round-trip ride to school and back