Answer:
Water, carbon dioxide, and oxygen are among the few simple molecules that can cross the cell membrane by diffusion (or a type of diffusion known as osmosis ). Diffusion is one principle method of movement of substances within cells, as well as the method for essential small molecules to cross the cell membrane.
Answer:
3.6 gramos
Explanation:
a 6.6 le restamos 3 que es el peso del envase para poder solo calcular el de la tierra.
6.6-3=3.6
Espero estar bien y que te haya servido en algo.
I believe the correct answer is upwelling. Lets say we have producers such as plankton. well upwelling currents bring dead matter from the ocean floor up to the surface, creating plankton.