Which of the following is an example of applying a force?
a. an airplane soaring through the sky
b. a train speeding down a track
c. a carpenter hammering a nail
d. child running through a field

the arctic is a region of the planet, north of the arctic circle, and includes the arctic ocean, greenland, baffin island, other smaller northern islands, and the far northern parts of europe, russia (siberia), alaska and canada.