What is the only factor that results in individuals with genes for traits better adapted to the environment becoming more common over time?

This part insulates the reaction chamber from the transfer of heat to or from the surrounding environment

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.

Why do oceanic plates tend to subduction when colliding with a continental plate