Ayuda necesito que respondan 4 preguntas poorfaa: 1. ¿Qué te parece el reciclaje en tu comuna?

2. ¿Cuál crees tú que sería una buena propuesta para mejorar el planeta?

3. ¿Qué tan importante es el medioambiente para ti?

4. ¿Qué tanto conoces sobre los ecosistemas chilenos?

Researchers randomly divide participants into groups. each group takes a different amount of omega-3 fatty acid supplements daily for a month. one group receives a placebo. the researchers measure the impact on cholesterol levels in the blood. what is the purpose of random assignment in this experiment? a, to produce treatment groups with similar characteristics b, to ensure that all people with high cholesterol have an equal chance of being selected for the study c, to increase the accuracy of the research results and prevent skewness in the data

Most of the fossils found in virginia are in the coastal plain, valley, ridge, and appalachian plateau regions, best suggesting that these geographic provinces a) were once covered by seawater. b) are the oldest parts of virginia. c) have a great deal of karst topography. d) have large amounts of sedimentary rock.

Did you know that a blue wales tongue weighs more than an elephant?