El transporte de sustancias que entran y salen a través de la membrana se da por dos procesos, llamados.
A. pasivo y ósmosis

B. pasivo y activo

C. activo y proteínas

D. pasivo y facilitadora

porfa es para ya
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the "dirty dozen" chemicals banned in an international treaty are formally known as persistent organic pollutants, or pops. the united nations environment program provided this background on what they are and what they can do to humans and wildlife.

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the answer you are looking for is the united states forest service.

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protein makes up the building blocks of organs, muscles, skin, hormones and pretty much everything that matters in your body.

some choices are:

peanut butter

seeds

eggs

yogurt

meats

fish

so pretty much meat, dairy, nuts, and grains.