¿por que se considera que las células son las unidades estructurales, funcionales, básicas de nuestro cuerpo?

B.) nitrogen fixationnitrogen fixation is the process of nitrogen molecules seeping into the soil and inside plant roots and bacteria. it gives more "life" to plants

Ithink its because more have died recently than in the past.

Ecological footprint is determined by measuring carbon dioxide emissions for a given region.

1) noble gases2) by increasing atomic number3) noble gases