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:
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You need to post the reaction equation to find it. Do you have it by any chance??
Explanation:
Instrumental methods of analysis rely on machines.The visualization of single molecules, single biological cells, biological tissues and nanomaterials is very important and attractive approach in analytical science.
There are several different types of instrumental analysis. Some are suitable for detecting and identifying elements, while others are better suited to compounds. In general, instrumental methods of analysis are:
-Fast
-Accurate (they reliably identify elements and compounds)
-Sensitive (they can detect very small amounts of a substance in a small amount of sample)
Answer:
False
Explanation:
False. The molecules of liquid are hold in the liquid state due to intermolecular forces or Van de Waals forces , without affecting the molecule itself and its atomic bonds (covalent bonds). When the temperature increases the kinetic energy of the molecules is higher , therefore they have more possibilities to escape from the attractive intermolecular forces and go to the gas state.
Note however that this is caused because the intermolecular forces are really weak compared to covalent bonds, therefore is easier to break the first one first and go to the gas state before any covalent bond breaks ( if it happens).
A temperature increase can increase vaporisation rate if any reaction is triggered that decomposes the liquid into more volatile compounds , but nevertheless, this effect is generally insignificant compared with the effect that temperature has in vaporisation due to Van der Waals forces.
207 is the mass number. 82 would be the atomic number
