How is elevation shown on a topographic map?

intermediate contours
index contours
contour intervals
contour lines

How many neutrons does element x have if it’s stormy umber is 33 and it’s mass number is 95?

The necleus of an atom is made up of what subatomic particles?

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.