El hambre es una de las principales problemáticas que presentan millones de personas en el mundo. En México existían, según datos del INEGI al 2010, 870 millones de personas que no cubrían sus necesidades alimentarias. Es por ello que se han implementado medidas en el desarrollo sustentable de los recursos alimentarios. ¿Cuál de las siguientes opciones es una estrategia para proteger los recursos naturales? *

Which statements best describe the differences or similarities between a comparative investigation and an experimental investigation? check all that apply. experimental investigations are best for showing cause-and-effect relationships, while comparative investigations do not necessarily show this type of relationship. comparative investigations are often impractical and unrealistic, while experimental investigations are the most practical and realistic kinds of investigations. comparative investigations allow for the use of a wide range of variables but do not have a control group, while experimental investigations involve variables that can be controlled. both experimental investigations and comparative investigations are designed to answer scientific questions. both experimental investigations and comparative investigations focus on making observations rather than collecting new data.