1.Que significa que se extraiga un líquido de color con agua caliente de una verdura determinada?

2. Que produce al combinar el ion hidrógeno con el grupo hidróxido y que ph resultaría .

3.Nombra otras verduras tintas y sus respectivos pigmentos.

4. Investigar el proceso desde la fermentación de la uva hasta la obtención del vinagre , indicado formulaciones y nombrando las etapas , dentro de un contexto histórico.

Malik formed a hypothesis that an increase in atmospheric oxygen levels by 10% would cause red-legged grasshoppers to grow larger than normal. suppose that malik performs an experiment to test his hypothesis. which of these actions would represent a scientific mistake in his experiment? a. he experiments on live grasshoppers instead of preserved ones. b. he focuses on red-legged grasshoppers instead of all kinds of grasshoppers. c. he varies the nitrogen and carbon dioxide levels in the air from one trial to the next. d. he conducts the experiment in a controlled lab setting with a lab partner. e. he measures the mass and length of his specimens at the start of each trial.