Biotic indices may be used to assess the levels of many pollutants, including acid pollution, in rivers.
Describe the features of species that would make them suitable for use in a biotic
index.

In yusel komunnyakaa's camouflage the chimera what is a chimeraa animal coming to vietnamb a type of military outfitc mythological creatured nick name for military units

Using plate tectonics and elastic rebound theory, describe why juan de fuca plate subduction produces so few earthquakes. what will happen in the future?

In russia which of these challenges affects the transportation of both petroleum products and other goods? a poorly repaired roads b harsh weather and vast distances c frozen waterways d separatist movements