State 2 examples for each of the four common states of matter?

Acompound machine is also called a machine. a. force b. simple c. complex d. directional

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

Individuals who live below the poverty line get seriously ill more often than those who do not what could be the hidden variable in this situation?