Con que condicion ambiental del bosque seco se puede relacionar la perdida de todas las hojas en estas especies de árboles? y por qué ?

a) con la época de inundaciones del lugar
b)con el aumento de la nubosidad en el ecosistema

c) con la disminución de vapor de agua en el aire

d) con la migración de herbívoros al ecosistema

Use this diagram of an animal cell to answer the question. where does the first stage of cellular respiration occur? w x y z

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.

The negative change found inside the plasma membrane is created by potassium ions sodium ions hydrogen ions chlorine ions