If a piece of metal at 70 degrees touches a piece of metal at 40 degrees, . A. Energy will flow from the hotter metal to the cooler metal
B. It’s impossible to tell
C. Nothing will happen
D. Cold will flow from the cooler metal to the hotter metal

Click an item in the list or group of pictures at the bottom of the problem and, holding the button down, drag it into the correct position in the answer box. release your mouse button when the item is place. if you change your mind, drag the item to the trashcan. click the trashcan to clear all your answers. label the following topographic map. click on a label below the map to select it, and then click on the appropriate box on the map to place the label. (increments for contour lines is 50 ft).

Johnny rode his bike to a friend's house 4 blocks down the street in his neighborhood. he immediately rode back home once he realized his friend was not able to play. what was his displacement for the total bike ride? how did you determine this? what could we use as a reference point to determine he was in motion during his bike ride? why can you use it as a reference point

Drag the tiles to the correct boxes to complete the pairs. match the nitrogenous base of dna with its complement.