Or, for a medical example, suppose smoking multiplies the risk of lung cancer by some number R: then the Wald test can be used to test whether R = 1 (i.e. there is no effect of smoking) or is greater (or less) than 1 (i.e. smoking alters risk).
There are more than 900 species of Tardigrade or Water Bear, pictured. They're found everywhere in the world, from the highest mountains to the deepest oceans. Boil the 1mm creatures, freeze them, dry them, expose them to radiation and they're so resilient they'll still be alive 200 years later.
Do seals live mostly on land or water? they live mostly in water so the could find therefood and they sleep on the land differant seals live out and in water. most seals live out of water because they are mama â¦ ls but seals have slick wet skin so they swim through the water fast and easy. they go into the water to protect themselvs but the go on land to protect themselves to.