Aquí en la región del Magdalena de Colombia tenemos grandes problemas ambientales gracias_ al oro y el carbono. Esta práctica devasta la biodiversidad de nuestros ríos y bosques. Es hora de que pongamos fin a esta práctica.​

What type of lipids are found in all biological membranes?

How are mutations continually being generated in a population (what are some of the causes of mutatuions? ) explain

1. emigration the movement of people from one place to another 2. immigration a situation in which resources are being used up at a faster rate than they can be replenished 3. migration the leaving of one's homeland to settle in a new place 4. overpopulation the movement of people to a new country 5. sustainable development a situation in which the birth rate is not sufficient to replace the existing population 6. underpopulation the ability to meet current needs without reducing the ability to meet future needs 7. unsustainable development the increase in the population of a city 8. urbanization a situation in which the number of people exceeds the available natural resources in an area