En el año 1986;el 48%de la población humana vive en ciudades. Y se calculó que para el 2010 es del 51%;¿Explique a qué se debe este número?

What causes the phospholipids to organize themselves the way they do

Imagine that certain laws of physics could be ignored and you were able to travel vast distances in moments. now imagine that you traveled to an earth-like planet located light-years away that is known to support life. think about what you’ve learned in this unit and make an argument for what you think would be the dominant type of life form on this planet. consider whether a notochord is required for an organism to manipulate its environment and become a dominant creature.

A60-tooth gear is connected to a 72-tooth gear. if the smaller gear turns 12 times, how many turns does the larger gear make?