In an experiment, a control is used to establish a baseline to compare the results of the main experiment to. Having a control group rules out any environmental variables, such as temperature and... In an experiment, a control is used to establish a baseline to compare the results of the main experiment to. Having a control group rules out any environmental variables, such as temperature and...
Knives, including small pocket knives, are only allowed in checked bags. Only plastic and round-tip butter knives are allowed as carry-on blades. Most bladed items are allowed in checked baggage, including scissors, razors, swords, axes, box cutters and blade tools, if they are properly wrapped or sheathed.
Any baggage (including baggage checked free of charge) which exceeds the size or weight allowance, is subject to the additional fees outlined below. Exception: Sporting equipment. No single piece of checked baggage may weigh more than 100 pounds and/or exceed 115 (linear). Contact Alaska Air Cargo at 1-800-225-2752 for assistance with any items that exceed the checked baggage limitation. Exception: Musical instruments.