1-Por que debemos comenzar la actividad fisica realizando un calentamiento previo? 2-Haz un comentario global de los factores a tener en cuenta en un calentamiento

Which is the layer underground where all empty spaces are filled with a combination of air and water ?

Which describes interactions between substances and stomata during photosynthesis? check all that apply. oxygen enters stomata. oxygen is released through stomata. carbon dioxide enters stomata. carbon dioxide is released through stomata. hydrogen enters stomata. hydrogen is released through stomata.

What is the mass defect of a mole of nuclei with 1.8 x 10^15 j/mol binding energy?