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hoa [83]
3 years ago
9

Talc _____.

Biology
2 answers:
notka56 [123]3 years ago
8 0

Answer:

The answer is B, the Mohs hardness is 1.

Explanation

musickatia [10]3 years ago
6 0
The answer is B, the Mohs hardness is 1.
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If someone with auburn hair has children with someone with red hair (but whose mother had black hair ) what are the genotype and
tensa zangetsu [6.8K]

The phenotype is - 75 % red and 25 %brown.

The genotype is hRhR - 25%

hBkhR - 50%

hBrhBk - 25%.

<h3><u>Explanation:</u></h3>

The cross given here is a simple dominant - recessive relationship between the three types of alleles of hair colour. The genes of this characteristics are present in autosomes, so will be segregated equally among all the sexes of the offsprings.

Now the genotype of auburn and red with black mother is given. So during gametogenesis, the gametes from the parents will be

Father - hBr and hR

Mother - hBk and hR

So, the probable combinations are hBrhBk, hBrhR and hBkhR.

The frequency of the combinations are 25%, 25% and 50% respectively.

The phenotypic ratio will be red : brown as 3:1.

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3 years ago
Using your own words, describe lapse rate.
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Answer:

A lapse rate is a rate during which the temperature changes with the peak within the atmosphere.

Explanation:

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4 0
3 years ago
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Which of the following statements is accurate concerning glucose metabolism?
777dan777 [17]

Answer: A. Pyruvic acid, the product of glycolysis, is the starting block for both the Krebs cycle and fermentation.

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7 0
3 years ago
How many electrons can be held in the second energy level of an atom? One Two Eight Eighteen
Korvikt [17]
Eight is your correct answer
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When is it more appropriate to use presumptive tests in a crime investigation? When is it more appropriate to use confirmatory t
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Answer:Phenolphthalein is a presumptive test that reacts with the heme molecule present in blood. A positive reaction gives a pink color. While bloodstains normally appear red-brown in color, the color of the substrate or the age of a stain may affect the appearance or visibility of the stain.

Explanation:

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