As the geology officer on an expedition to a newly discovered, Earthlike
planet, you must determine whether the planet has a crust composed of
plates that move.
Which is the best indication that the planet may have plate tectonics?

When a lake, river or other aquatic  system  becomes  eutrophic, it can have serious negative effects on other organisms like fish, birds and even people.if an algal bloom is so bad that it causes wide-spread death  in  the  water, the organisms that die will all sink to the bottom and start to decompose.

His main goal was  the modernization and westernization of turkey

Most topographic maps, the index contour lines are generally darker and are marked with their elevations.