Huernia zebrina, or Lifesaver plant, is one of the best in this category. Lifesaver cactus plants are easy to grow in small dish gardens or even bonsai containers. The biggest challenges with Huernia cactus care are overwatering, incorrect lighting and mealybugs.
What is the average speed on a ski? For regular downhill skiing the average is about 15-20 mph Olympic ski racing averages 40-50 mph and The fastest recorded speed is 156 mph here is my source http://www.trails.â¦com/facts_9654_how-fast-do-downhill-skiers.html.
1 The average person burns about 400-500 calories per hour while cross country skiing at a slow pace. 2  Moderate-speed cross country skiing (think 5-7 m.p.h.) burns closer to 500-550 calories per hour. 3  Cross country skiing at a brisk, vigorous pace burns closer to 600 calories per hour.