Crees que los extraterrestres serian mas inteligentes que los humanos ?

The organ that has two atria and one ventricle is the

If you were a casual recreational hiker with young children, which of the following trails would be least strenuous for a leisurely family outing? a. merced lake trail b. mirror lake loop trail. c. tenaya lake and tuolumne meadows trail d. el capitan trail

Where does the availability of water pose the greatest problem