The basic life function of an organism are carried on by
a) cells
b) nutrients
c) atoms
d) harmones

Mary starts from her house, walks 80 meters south, and stops to chat with her aunt on the sidewalk. after chatting for a few minutes, she walks 125 meters to the west to meet a friend and then walks 45 meters north with her friend to a cafe for lunch. overall, she takes 10 minutes to do all this. what is mary’s average speed?

Moria is drawing the electric field lines around a pair of charges. one charge is positive, and the other charge is negative.

What is the magnitude of the resultant vector? round your answer to the nearest tenth. 5 m 13 m