The pendulum in a clock gradually slows down and stops moving after a while student states that it’s loss of mechanical energy is evidence that energy is not always conserved which two statements offers evidence that the clocks energy is conserved.

100 points answer quick 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.

Describe the difference between a. a hypothesis and a theory and b. an observation and an experiment.

The grooves or folds of the brain are called