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larisa [96]
3 years ago
14

Which question can be answered using the scientific process?a. how long does it take a paper bag to break down?b. should people

feel bad for using paper bags?c. is it right for a grocery store to use plastic bags?d. which kind of bag has the best color?
Biology
2 answers:
Alex3 years ago
5 0
Im pretty sure the answer is A

Advocard [28]3 years ago
5 0

The correct answer is A. How long does it take a paper bag to break down?

Explanation:

The scientific process or method refers to an organized set of steps or procedures used to study natural phenomena. This means the scientific method can be used to study events that can be observed and tested and do not depend on subjective perspectives.

According to this, the question that can be answered using this process is "How long does it take a paper bag to break down?" because this phenomenon can be observed and tested; for example you can test if the time is different for a paper bag to break down depending on the soil or place where it is. Additionally, other options such as "should people feel bad for using paper bags?" or " is it right for a grocery store to use plastic bags'" are subjective and therefore cannot be answered using this method.

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Two autosomal genes control horn color in dragons. Pure-breedinggold-horned dragons were mated to pure-breeding silver-horneddra
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Answer:

The genetically based phenotypic  ratio for of Gold: Silver: Bronze = 9:1:6

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The expected number of silver-horned dragons is = 16

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Explanation:

Given that; F2 generation consisted of:

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17 silver

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Total autosomal genes control horn color in dragons = 256

When we conducted the punnet square for the Pure-breedinggold-horned dragons were mated with the  pure-breeding silver-horneddragons, then intercrossed them for the F2 generation, It is seen that;

The genetically based phenotypic  ratio for of Gold: Silver: Bronze = 9:1:6

∴

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The expected number of silver- horned dragon = 256*\frac{1}{16}

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Null Hypothesis = The observed ratio of Gold:Siver:Bronze

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=9:1:6

Observed          Expected               (OF - EF)²                 \frac{(OF-EF)^2}{EF}

Frequency         Frequency

(OF)                    (EF)

147                       144                           9                                0.062500                    

17                         16                              1                                0.062500

92                       96                             16                               0.166667

Total:                                                                                      0.291667

Since Degree of Freedom = 2

Our P-Value = 0.864

∴ Our P. Value is very high that we accept the null hypothesis

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