Sand and gravel mixture would be easiest to separate based on the size of the particles.
<h3>What are mixtures?</h3>
Mixtures are the composition which can be obtained by the combination of different types of elements.
In the question different types of mixtures are given in which all have same kind of size distribution except sand and gravel. Size of sand is smaller than gravel, so it can be separated by easy physical method like sieving.
Hence, option (d) is correct it means sand and gravel would be easiest to separate.
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Answer:
Crystalline Solid
Explanation:
Rock, sand, metals, salts, etc. are some examples of polycrystalline solids. It is the opposite extreme of a single crystal. These types of solids have neither reticular nor granular structure
The smallest unit of matter capable to undergoing chemical reactions is an atom.
Answer:
Cardiac muscle is controlled involuntary, whereas skeletal muscle is voluntary.
Explanation: