<span>the surroundings or conditions in which a person, animal, or plant lives or operates.</span>
A jet stream is a narrow variable band of very strong predominantly westerly air currents encircling the globe several miles above the earth.
Sedimentary is the answer
Useful satellite data concerning sea ice began in late 1978 with the launch of NASA's Scanning Multichannel Microwave Radiometer (SMMR) satellite.