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vekshin1
3 years ago
13

One of the neurotransmitters of the sympathetic nervous system that increases the heart rate and constrict smooth muscle in bloo

d vessels to raise blood pressure is -
Biology
1 answer:
den301095 [7]3 years ago
3 0
Noradrenaline normally produces effects such as increased heart rate, increased blood pressure

:) have a nice day
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Sensory Neurons and Motor Neurons. Motor neurons would make you withdraw your hand spontaneously when it touches something hot.
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A transient condition of low hemoglobin in the blood associated with early stages of strenuous athletic training is
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One of the most fundamental differences in hinduism is the split between viewpoints that are monistic and
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3 years ago
Which value is being measured in the columns labeled fraction remaining and percentage remaining
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<u>Question</u>:

Which value is being measured in the columns labeled "Fraction remaining” and "Percentage remaining”?

  1. years of decay
  2. quantity of energy
  3. number of stable atoms
  4. amount of material that has not decayed

<u>Answer</u>:

"Amount of material that has not decayed" being measured in the columns labelled "Fraction remaining” and "Percentage remaining”

<u>Explanation</u>:

The table shown below having explains about the half life , the  amount of sample in both fraction and percentage. The first column named half life elapsed tells  us the the number of half life that that is completed. Half life is the time taken for an element to reduce or decay into half of its initial amount.

The fraction remaining column gives the amount of sample that is left behind  after the half life particular number of half life has completed.  similarly the percentage remaining column gives the amount of sample in percentage. For example, the 5th row tells us that after 4 half life is over \frac{1}{16} th of the sample remained. In percentage it is 6.25%

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3 years ago
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The mass of an electron is
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Answer:

not significant to the overall mass of the atom

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The mass number of an atom is the combination of the mass of the protons and neutrons.  Electrons are not included because their mass are so insignificant that is doesn't change the total mass much, therefore they are left out. The mass of an electron is about 1,830 times smaller than protons and neutrons.

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