Which term describes the maintenance of a steady internal state in the body?

1 answer:

5 0

B, homeostasis. “Homeostasis is the state of steady internal, physical, and chemical conditions maintained by living systems.”

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The molecules of a substance must have what characteristics in order to be flexible

Goryan [66]

Answer:
The molecules of a substance which must have the ability to move past one another are said to be flexible.

Explanation:
Those substances are said to be flexible which can be bent without breaking. There are many substances which are hard in nature but still can be bent. The hardness of such materials is due to strong interactions between the molecules and the flexibility comes due to their amorphous backbone. Therefore, greater the crystalline level of macromolecules lesser is the flexibility and greater the amorphous character greater is the flexibility and vice versa. Also, the flexibility of polymers is increased by adding plastisizers in it. Plastisizers make the hard polymers flexible by breaking the crosslinkers and enabling the macromolecules to move past one another.

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3 years ago

What happens when we decrease the height of an inclined plane?

Mashutka [201]

Answer:

b is the answer.

Explanation:

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3 years ago

which of the following is the name given to the pairs of valence electrons that do not participate in bonding in diatomic oxygen

Bond [772]

The answer to your question is

D: Unshared Pair

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3 years ago

Three samples of the same metal are weighed and their masses are found to be 44.40 g, 40.58 g, and 38.35 g. The corresponding vo

lidiya [134]

The density of a material is the mass of the material per unit volume. Here the weight of the same metal is 44.40g, 40.58g and 38.35g having volume 4.8 mL, 4.7 mL and 4.2 mL respectively. Thus the density of the metal as per the given data are, $\frac{44.40}{4.8}$ = 9.25g/mL, $\frac{40.58}{4.7}$ = 8.634g/mL and $\frac{38.35}{4.2}$ = 9.130g/mL respectively.

The equation of the standard deviation is √{∑(x - $\frac{}{x}$ )÷N}

Now the mean of the density is {(9.25 + 8.634 + 9.130)/3} = 9.004 g/mL.

The difference of the density of the 1st metal sample (9.25-9.004) = 0.246 g/mL. Squaring the value = 0.060.

The difference of the density of the 2nd metal sample (9.004-8.634) =0.37 g/mL. Squaring the value = 0.136.

The difference of the density of the 3rd metal sample (9.130-9.004) = 0.126 g/mL. Squaring the value 0.015.

The total value of the squared digits = (0.060 + 0.136 + 0.015) = 0.211. By dividing the digit by 3 we get, 0.070. The standard deviation will be $\sqrt{0.070}=0.265$ . Thus the standard deviation of the density value is 0.265g/mL.

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3 years ago

What is the atomic number of beryllium

Alexandra [31]

Answer:

4 the symbol is Be

Explanation:

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3 years ago

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