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yaroslaw [1]
3 years ago
14

Which trait is determined entirely by heredity ?

Physics
2 answers:
quester [9]3 years ago
7 0
Shape of the nose is entirely hereditary, as genes have nothing to do with any of the other attributes.
EastWind [94]3 years ago
4 0

Answer: C. Shape of the nose

Heredity can be defined as a process by which the phenotypic and genetic features and characteristics are passed from the parent organism to the offsprings. The offsprings likely to resemble that of the parents. The shape of the nose is the phenotypic trait which can be passed from the parent to the offspring, hence is a characteristic feature of establishment of heredity.

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The air in a kitchen has a mass of 60.0kg and a specific heat of 1505J/(kg°C).
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If the temperature of an iron sphere is increased A)its density will decrease .B)its volume will decrease. C)its mass will decre
babymother [125]

Answer:

A) Its density will decrease

Explanation:

When an object is heated, its volume increases. This is due to the fact that the particles in the medium vibrate more (if it is a solid) or they move more (if it is a liquid or a gas), therefore they tend to occupy a larger space.

At the same time, the mass of the object does not change, because the mass just represents the amount of matter contained in the object, so it does not increase/decrease at different temperatures.

The density of an object is defined as the ratio between the mass (m) and the volume (V):

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3 years ago
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Answer:

<em>we</em><em> </em><em>have</em><em> </em><em>to</em><em> </em><em>use</em><em> </em><em>formula</em><em> </em><em>of</em><em> </em><em>volume</em><em> </em><em>to</em><em> </em><em>find</em><em> </em><em>volume</em><em> </em><em>of</em><em> </em><em>a</em><em> </em><em>cuboid</em><em>.</em><em> </em><em>(</em><em> </em><em>i.e</em><em> </em><em>v</em><em> </em><em>=</em><em> </em><em>l</em><em> </em><em>×</em><em>b</em><em> </em><em>×</em><em>h</em><em>)</em>

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