Use renewable energy sources, like hydro or solar power. Or use more recyclable items.
Among the northern Andean countries strongly involved in the illegal coca and drug trade, Columbia is now the predominant coca producer, so the answer would be option A.
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Answer:
endocytosis
Explanation:
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Http://www.biocab.org/Carbon_Dioxide_CO2.html
Answer:
Embedded in the lipid bilayer are large proteins, many of which transport ions and water-soluble molecules across the membrane. Some proteins in the plasma membrane form open pores, called membrane channels, which allow the free diffusion of ions into and out of the cell.
