It involves a deep soil warming experiment at the University of California ... gas fluxes, and dissolved constituents are shown.

In this lab, students measure the diversity of soil invertebrates that are collected from areas with different vegetation composition or cover ... and design an experiment to test that hypothesis.

Soil is a mixture of tiny particles of rock, dead plants and animals, air and water. Different soils have different properties depending on their composition. Sandy soil is pale coloured and has ...