Magnesium silicate I hope this help
The field of study which is shown in the picture is known as archaeology and is denoted as option D.
<h3>What is Archaeology?</h3>
This is defined as the scientific study of the material remains of past human life and activities through gathering of fossils.
This is usually done by a professional referred to as an archaeologist who uses special techniques and methods in the execution of the processes involved.
In the diagram attached in the picture shown below, we can view rocks present which helps to preserve fossils.This is therefore the reason why archaeology was chosen as the most appropriate choice.
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Answer is: this sample of sand is heterogeneous mixture.
Heterogeneous mixture is not uniform in composition (in this mixture different metals and minerals), but proportions of its components (in this mixture particles of different colors, small pebbles) vary throughout the sample.
