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Jobisdone [24]
3 years ago
13

Which of these are characteristics of a scientific law? Check all that apply?

Biology
1 answer:
algol133 years ago
5 0
I think it's number 5
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One reason that multiple approaches are often taken to answer a testable question is that scientists
Tju [1.3M]
<span>look at each perspective on how the phenomenon might have took place in a different kind of perspective. Multiple approaches are explored to see which condition fits and answers the query the most -accurate and reliably.

developing a technique for observing an object that has yet to be observed


</span>Thus, to achieve the creative approach above the researchers must utilize and apply the scientific method in gathering, interpreting and analyzing empirical evidence. 

<span>Empirical evidence, data or knowledge is an obtained set of facts or figures or existing and presenting data that was yielded during the process of experimentation or scientific discovery. These empirical data or evidence is further studied and investigated by the scientist in a formal scientific approach which follows the steps of observation, making a hypothesis, gathering data, interpreting data and evaluating the data. These steps of the scientific approach are vital in the course to explain and discuss the result and evidence obtained during the process.
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8 0
3 years ago
Read 2 more answers
In fruit flies, the gene for red eyes (R) is dominant and the gene for sepia eyes (r) is recessive. What are the possible combin
almond37 [142]
The possible combinations are as follows 
          
      R      r
R   RR   Rr
r     Rr    rr

so you would have a ratio of   1RR : 2Rr : 1rr


3 0
3 years ago
You analyze a dna sample which gives an a260 of 1.74 and a280 of 0.64. What is the concentration of this dna sample? Is it suffi
LenaWriter [7]

The ratio of \frac{A_{260}}{A_{280}}  indicates the purity of nucleic acid.For pure DNA it should lie between 1.8-2.0.Whereas for RNA it should be greater than 2.

This is calculated for DNA using the given values of absorbance-

\frac{A_{260}}{A_{280}}= 2.71

As the value is greater than 2.0,it reflects the RNA contamination in the sample.

8 0
3 years ago
Helppppppppppppp!!!!!!!!!!!!!!!!!!
Wewaii [24]

Answer:

A. The amount of atmospheric nitrogen would decrease, and nitrogen-fixing bacteria would die off.

Explanation:

pls join me

mnv-dyzw-eov

there will be nothing unsafe or inappropriate

4 0
2 years ago
A farmer grows and plows under of alfalfa (a legume) to enrich the soil with
ladessa [460]

Answer:

Nitrogen

Explanation:

Nitrogen is an important nutrient required for the proper growth and development of plants. Farmers usually plow and grow under alfalfa - a leguminous crop, to enhance the fertility of soil. This is because alfalfa adds more amount of Nitrogen in the soil than any other crop. Studies suggest that around 50 lbs. of nitrogen per acre can be added in soil each year  by growing alfalfa in the crop fields. This has immense potential to overcome the problems that crops face due to lack of fertilizers.

Hope it help!

6 0
3 years ago
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