. A cross-country skier moves from location A to location B to location C to location D. Each leg of the backand-forth motion takes 1 minute to complete; the total time is 3 minutes. (The unit is meters.)

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.

in simple terms, the principle states that the buoyancy force on an object is equal to the weight of the fluid displaced by the object, or the density of the fluid multiplied by the submerged volume times the gravitational acceleration, g. this is also known as upthrust.

its c i just checked it