What is one of the main features of karst topography?
sinkholes
streams
springs
slumps

According to the diagram, what sources contribute to the phosphorus found in soil? according to the diagram, phosphorus found in soil contributes phosphorus to what other sources? (site 1)

Ahypothesis that has been tested again and again , with similar results each time may become a law , true or false

What are tissues? a groups of tissues that work together b basic units of structure and function c groups of cells that perform the same function d multiple organs that perform a major function