Assist me ? 1)do forces applied in the same direction reinforce or counteract each other? explain ? 2) what causes an object to begin moving ?

The instructions for making proteins come originally from

Which is the graph of the piecewise function f(x)? f(x) = image for option 1 image for option 2 image for option 3 image for option 4

In which way are mercury and venus similar? they both rotate from east to west. they are both small and rocky. they both have thick atmospheres. they both are similar to earth in structure.