5. Alejandro hizo una huerta en la finca de sus abuelos y decidió preparar un terreno para cultivar. Pensó que lo mejor era eliminar con productos químicos las bacterias y los hongos que pudieran entrar en el suelo del cultivo para que sus plantas crecieran sanas. Las plantas del huerto de Alejandro murieron luego de un tiempo. ¿Por qué sucedió esto? Justifica

Which geologic feature would most likely be represented by contour lines john far apart from one another? a cliff a hill a plain a valley

2. which of the following statements does not accurately describe stem cells? a. embryonic stem cells make up the inner cell mass of a blastocyst. b. with more research, stem cells may be used to repair or replace damaged cells. c. the use of stem cells is without any objections since it can be used in therapies to humans. d. adult stem cells are multipotent and can differentiate into many types of cells.

The table below shows data for a population of fish in a pond. fish body color # of fins scales? tail shape a silver 4 yes fan b pink 4 yes flat c black 4 yes fan d orange 4 yes flat e orange 4 yes fan f silver 4 yes flat which of the above characteristics would be most in developing a classification system for the fish? a. body color and tail shape b. presence of scales and tail shape c. body color and number of fins d. number of fins and presence of scales