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Vesnalui [34]
3 years ago
13

What are body parts that have lost their original function through evolution?

Chemistry
1 answer:
katrin2010 [14]3 years ago
6 0

Answer:

Vestigial structures are body parts that have lost their use through evolution.

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Digoxin is available in a concentration of 0.1 mg/ml. How many ml are required to administer a 75 mcg dose?
Step2247 [10]

Answer : The volume required to administer a 75 mcg dose are, 0.75 mL

Explanation : Given,

Concentration of Digoxin = 0.1 mg/mL

That means, 0.1 mg of Digoxin present in 1 mL of solution.

Mass of dose = 75 mcg = 0.075 mg

Conversion used : (1 mcg = 0.001 mg)

Now we have to determine the volume required to administer a 75 mcg dose.

As, 0.1 mg of Digoxin required in 1 mL of solution

So, 0.075 mg of Digoxin required in \frac{0.075mg}{0.1mg}\times 1mL=0.75mL of solution

Thus, the volume required to administer a 75 mcg dose are, 0.75 mL

5 0
3 years ago
Most thermal conductor are? A.plastic B.glass C.rubber D. Metal
Alex17521 [72]
It is metal that is why you cook things mainly with metal pots
6 0
3 years ago
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What occurs in order to break the bond in a Cl, molecule?
Ann [662]

Answer:

Explanation:

The attachment or (Bond) that resolves around the atoms of CI2 which is a covalent bond, yet energy is needed to destroy the bond and when new bonds are produced, energy is unleashed while the bond's development makes the molecule equilibrated. In short terms to basically break this bond energy is required and another terms energy is occupied and is the conclusion to your question (I tried my best) Energy is absorbed which is the result of what occurs.

8 0
3 years ago
(Use P_T for total pressure; P_water vapor for water vapor pressure; P_hydrogen gas for hydrogen gas pressure)
photoshop1234 [79]

From the Dalton's law of partial pressures, the pressure of the hydrogen gas is 91.83 kPa.

<h3>What is partial pressure?</h3>

In a mixture of gases, the total pressure is the sum of the pressures of the individual gases in the mixture according to the Dalton's law of partial pressures.

In this case, the partial pressure of the hydrogen gas is Phydrogen, the partial pressure of water is Pwater and the total pressure is PT.

Hence;

Phydrogen = PT - Pwater

95 - 3.17 = 91.83 kPa

Learn more about partial pressure:brainly.com/question/14281129

#SPJ1

5 0
2 years ago
Why does iron take so long to heat up?
allochka39001 [22]
Because iron is a metallic solid and it takes longer to heat up because it is compounded more then other solids which takes longer because the atoms in the heat take longer to heat it up.
6 0
3 years ago
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