In a mechanical clock, the swinging of a pendulum causes the hands to move. the diagram shows the path of the pendulum as it swings. at which point in its swing does the pendulum have the least gravitational potential energy?

Often on a topographic map, every fifth contour line is darkened. what is this line called? a. key b.slope c.benchmark d. index contour

When you mate two plants together the terms is called? answer it fast as possible plz! i have a test tomorrow!

The table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.