A bird has an initial position of -42.4 m and undergoes a displacement of -23.2 m. What is it's final position?
(Unit=m)

What happens in a global convection cell

In an experiment, how can i change human errors? be specific.

Sawyer is studying diffraction. he draws a diagram of a plane wave to show how light waves travel. which best describes sawyer’s error? the wave fronts should be perpendicular to the direction in which the waves move. the arrow showing the direction of movement of the waves should be pointing to the left. the arrow showing the direction of movement of the waves should be pointing downward. the wave fronts should be both parallel and perpendicular to the direction in which the waves move.