It makes sense that you're confused, because alcoholism can be BOTH a habitual (psychological) and a chemical (physical) addiction.Some people become dependent on drinking, and like your housemate(s), need the alcohol every night. Psychological dependence is drinking in order to function normally and feel good.t makes sense that you're confused, because alcoholism can be BOTH a habitual (psychological) and a chemical (physical) addiction.
Though they are generally a healthy breed, Salukis can develop heart conditions such as cardiac tumors and cardiomyopathy; eye conditions such as cataracts; and cancers such as lymphoma and liver cancer. 1. Greyhounds. Known as the â45-mph couch potato,â the Greyhound is the fastest dog breed in the world. Its need for speed comes from a natural prey drive to pursue small game, and Greyhounds can achieve speed bursts of more than 40-mph.
98 km/hr (61 mph) They have a large heart and lungs which help them to go so fast. 3. Springbok. 90 km/hr (56 mph) They are extremely agile animals, they can leap 4 m into the air and jump up to 15 m in length. 4. Quarterhorse. 88.5 km/hr (55 mph) They excel at sprinting short distances.