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irinina [24]
3 years ago
10

Why finger print is the cheapest and easiest method of personal identification?​

Chemistry
1 answer:
murzikaleks [220]3 years ago
3 0
Well fingerprint are more versatile and easy to acquire than any other biometrics. They are accepted in a court of law and no two people (not even identical twins) have the same fingerprints, it is extremely easy for even the most accomplished criminals to leave incriminating fingerprints at the scene of a crime. Fingerprints are one of a kind.
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Neutral atoms have the same number of protons as electrons. what would make the electrically charged magnesium ion, mg2+, neutra
Allushta [10]
Mg2+ is the positive ion of the neutral atom Mg. This means that the neutral atom Mg lost the two excess electrons in its outermost energy level and became a positive ion with the two excess positive charges. To become neutral again, the Mg2+ ion has to regain two electrons again to balance the negative charge with the excess two positive charges.
7 0
3 years ago
FOR REAL HELPPPPP!!!!
IgorLugansk [536]

Answer:

I belive the answer is gases, liquids, and solids.

Explanation:

The reason I say this is because a vacuum is an empty void of space and time, nothing is there so I believe no sound should be able to penetrate through it.

6 0
3 years ago
A medicine is given 73 grains ap/lbs. of patient per dose. The patient weighs 65.7 kilograms. how many drams ap should the apoth
erastova [34]

10,573.4

Explanation:

Given parameters:

Dosage per patient = 73ap/lbs

Weight of patient = 65.7kg

Unknown:

Amount of grams/ap to be given to the patient;

 

Solution:

Since our final answer should be expressed in grams, let us convert all units into grams.

   1000g = 1kg

 Converting 65.7kg to g = 65.7 x 1000 = 65700g

73ap/lbs;

      1lb = 453.6g

 73ap/lbs x \frac{1lb}{453.6g} = 0.161ap/g

Now,

 For a 65700g person, the number of grains app required;

      65700 x 0.161 = 10,573.4grains ap per dose

learn more:

Mass brainly.com/question/3764212

#learnwithBrainly

3 0
3 years ago
How many hydrogen atoms are in water?
Viefleur [7K]
Water is H2O. hydrogen atom is H1 O2
so hydrogen atom is H2
3 0
3 years ago
Which of the following is a part of the Kinetic Molecular
GarryVolchara [31]

The Kinetic Molecular Theory exposes, qualitatively and quantitatively, all the laws that the gas field occupies, which explains that molecules in a gas move rapidly.

The Kinetic Molecular Theory describes the behavior of a gas mass, starting from the behavior of the individual molecules.

  • It proposes that the molecules of a gas are in a rapid continuous random movement, which is only altered by the collisions that take place with each other or with the walls of the container.

  • All the collisions produced are elastic, that is, the kinetic energy is not modified or altered by said collision.

Therefore, we can conclude that the Kinetic Molecular Theory describes the behavior of gases, and proposes that gas molecules are in constant chaotic motion, colliding elastically with each other rapidly.

Learn more about Kinetic Molecular Theory here: brainly.com/question/8369832

5 0
3 years ago
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