The graph shown below displays the change in the average temperature of the world over time. Which statement is the best description of the association between these variables?
Choose 1
A: As time went by, the average temperature tended to increase.
B: As time went by, the average temperature tended to decrease.
C: There is no clear relationship between time and average temperature.

The figure shows triangle def and line segment bc, which is parallel to ef: triangle def has a point b on side de and point c on side df. the line bc is parallel to the line ef. part a: is triangle def similar to triangle dbc? explain using what you know about triangle similarity. part b: which line segment on triangle dbc corresponds to line segment ef? explain your answer. part c: which angle on triangle dbc corresponds to angle f? explain your answer. asap