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4 years ago

15

How does our understanding of genetics influence psychological research

1 answer:

erastovalidia [21]4 years ago

8 0

I think that an understanding of genetics and traits and dispositions that are handed down through heredity can allow us to study such traits in their psychological aspects ie people with a very high metabolism can pass this on to their offspring and there may be some correlation between this and having a manic disposition.

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vova2212 [387]

Answer:

Mechanical weathering will cause wearing down of rocks.

Explanation:

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3 years ago

Question 10 of In which way does a balanced chemical equation demonstrate the conservation of matter? A. It shows the same numbe

prisoha [69]

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3 years ago

Read 2 more answers

A government laboratory wants to determine whether water in a certain city has any traces of fluoride and whether the concentrat

nexus9112 [7]

<u>Answer:</u> The given sample of water is not safe for drinking.

<u>Explanation:</u>

We are given:

Concentration of fluorine in water recommended = 4.00 ppm

ppm is the amount of solute (in milligrams) present in kilogram of a solvent. It is also known as parts-per million.

To calculate the ppm of fluorine in water, we use the equation:

$\text{ppm}=\frac{\text{Mass of solute}}{\text{Mass of solution}}\times 10^6$

Both the masses are in grams.

We are given:

Mass of fluorine = $0.152mg=0.152\times 10^{-3}g$ (Conversion factor: 1 g = 1000 mg)

Mass of water = 5.00 g

Putting values in above equation, we get:

$\text{ppm of fluorine in water}=\frac{0.152\times 10^{-3}}{5}\times 10^6\\\\\text{ppm of fluorine in water}=30.4$

As, the calculated concentration is greater than the recommended concentration. So, the given sample of water is not safe for drinking.

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3 years ago

How much heat is added if 0.5137g of water increases in temperature by 0.871 degrees C?

UNO [17]

Answer:

1.87 J

Explanation:

q = c x m x (T2-T1)

c- specific heat of water (4.186 j/g.C)

q = 4.186 x 0.5137 x 0.871 = 1.87 J

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3 years ago