Answer:
substance*? a particular kind of matter with uniform properties.
Explanation:
The common name to the family member of phylum Echinodermata of marine family is echinoderm. They are usually characterized by a five-fold symmetry, and possess an internal skeleton of calcite plates. They are found at every ocean depth.
The features of all adult echinoderm are:
- They have a five-fold symmetry.
- Body without segmentation.
- Spiny skin.
- Internal skeleton.
- found at every ocean depth.
Answer:
Concentration = 1.32 m
Boiling point = 
Explanation:
Let the boiling point of two solutions = T
Let the molal concentration of the two solutions= m
The relation between elevation in boiling point and molal concentration is:
i) For benzene
....(1)
ii) For carbon tetrachloride
...(2)
Equating the two equations:
Putting value of "m" in equation "1"
Static force is being exerted
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