A

(a) A fluid pycnometer test was performed on a soil sample and the particle density of the soil was found as2.70Mg/m3. After the test, it was realized that the laboratory technician did not agitate mechanically the pycnometer, after adding the control fluid on the soil sample during the last step of the test. Thus, there was air trapped in the pores of the soil. If the technician had agitated the pycnometer very well (with no air being trapped), would the particle density be higher or lower than2.70Mg/m3? Very briefly explain why.

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