A light microscope is most likely used to study a blood sample. The blood cells do not require additional magnification for typical blood studies.
most likely hay
Liquid mercury
Social scientists most often use a random sample
The sample with the lowest density would likely be the one that is the lightest for its volume. This can be achieved with materials like Styrofoam or a gas.
Soil
a small mean difference and large sample variances
Liquid samples are most likely to evaporate when temperature is increased.
China?
A graduated cylinder or a volumetric flask would most likely have been used to find the volume of each sample. These lab instruments are designed to accurately measure liquid volumes.
Which kind of film is most likely to use high-key lighting
At a doctor or pedietrician, most likely a city