Molecules are different from atoms because they
a) have less energy
b) are much smaller
c) have unique properties
d) contain chemical bonds

Karen is running forward at a speed of 9 m/s. she tosses her sweaty headband backward at a speed of 20 m/s. the speed of the headband, to the nearest whole number relative to a stationary observer watching karen

Slab pull” is a type of tectonic plate movement that occurs due to the forces of mantle convection and results in the subduction of the lithosphere true or false

The direction of the current in an alternating current circuit remains constant. is direct. changes repeatedly. changes randomly.