Which of the following is a true statement about the map? (1 point) The border between Washington and Oregon is a thin, black line; this indicates a state boundary.
The border between Washington and Canada is a thin, black line; this indicates a national boundary.
The border between Washington and Oregon is a blue line; this indicates a national boundary.
The border between Washington and Canada is a thick, black line; this indicates a state boundary.

The border between Washington and Oregon is a thin, black line; this indicates a state boundary.

Explanation: if you look at the map you can see the black line.

for example, no new evidence will demonstrate that the earth does not orbit around the sun (heliocentric theory), or that living things are not made of cells (cell theory), that matter is not composed of atoms, or that the surface of the earth is not divided into solid plates that have moved over geological timescales .