4. On which map would contour lines probably be easier to read, a toppographic map of a city or a topographic map of a wilderness area? Explain.

Part of molten rock at mid-ocean ridges

In the 1800s, one of the statements in john dalton's atomic theory was that atoms are indivisible. later experimental evidence led to the discovery of subatomic particles such as neutrons, electrons, and protons. what happened to the indivisible atom part of dalton's atomic theory, and why?

Chen drew a diagram to compare the ways in which different organisms obtain nitrogen. which label belongs to the area marked z?