¿Cuales son las aportaciones de la química el las saciedades actuales?¿Cuales fueron los objetos enlistados? ¿De que manera estan echo cada uno de ellos?¿es sintetico o natural?¿Cual es tu opinión aserca de las aportaciones de la química y la tecnología en la satisfacción de las necesidades básicas del ser humano, en salud y el la prevención del medioambiente? ¿consideras que los avances tecnológicos nos benefician a todos por igual?​

Idont understand by supporting the plant and holding the leaves up to the light. question 3 options: tap or fibrous root flower petals herbaceous or wood stems leaves with stomata

Molecular models of two different substances are shown below. in the molecule on the left, the oxygen atom pulls on electrons more strongly than the hydrogen atoms. in the molecule on the right, the two oxygen atoms pull on the shared electrons with the same strength. water molecule, h,o oxygen molecule, oz when the two substances are put in the same container, they do not attract each other. why does this happen? a. they both contain oxygen. b. one is polar and one is nonpolar. c . they are both polar. d. they contain different elements.

You see a white marker with an orange circle and black lettering. what does this marker tell you