Final answer:
Japanese whisky firms are known for sharing their whiskies with each other for blending purposes, like in Scotland.
Step-by-step explanation:
True. Just like in Scotland, Japanese whisky firms also engage in sharing their whiskies with each other for blending purposes. This practice allows them to create unique and complex blends by combining different flavors and characteristics from various distilleries. Similar to the karst regions of Kentucky and Tennessee in the United States, Japan also has regions with unique environmental conditions ideal for whisky production, such as the climate and quality of water used in the process.