Answer: sneezing or coughing over the evidence, direct sunlight on transport an storage
Explanation:
DNA evidence is contaminated when DNA from an outside source (exogenous DNA) gets mixed with DNA relevant to the case. It can happen in a variety of ways, from someone sneezing or coughing over the evidence,
The mitochondria, oxygen and glucose are both reactants in the cellular respiration process
<u>20 markers will cost Ms. Lasater $41.25.</u>
<h3>Proportion</h3>
This is a topic in mathematics that treats a value as a part of the entire data.
In the question given, we were asked to find the cost of 20 markers.
Data given;
- 8 markers is sold for $16.50
To solve this problem, we can either find the cost of one markers and multiply the value by 20 to get the cost of 20 or simply set an equation to find the cost of 20 markers.
Let the cost of 20 markers be represented by x

cross multiply both sides and solve for x

20 markers will cost $41.25
From the calculation above, we have the follow data
- 8 markers costs $16.50
- 20 markers cost $41.25
Learn more on proportions here;
brainly.com/question/1781657
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