What is the similarity between simple diffusion and facilitated diffusion?
a. both move molecules from lower concentration to higher concentration.
b. both move molecules from higher concentration to lower concentration.
c. both need energy.
d. both need transport protein.

anyone know this answer?

African penguins, which inhabit the coasts of southern africa, were classified as an endangered species in 2010. two significant threats to their survival are ecosystem damage from oil spills and overfishing by humans. overfishing depletes the food supply of african penguins. the best method to reduce the threat of overfishing would be to . the risk of oil spills could be reduced by increasing the use of , which should oil consumption. if an oil spill does occur, could be used to remove the oil so the ecosystem may more quickly recover.

Donde se encuentra el adn nuclear en un organismo eucariota?

Achild is suffering from fever but the doctor cannot immediately pinpoint the alignment on the basis of this one symptom explain why also mention other two such general symptoms