<h3>Question :</h3>
Which of the following sources could not be used to obtain the DNA of a person lost in a mass disaster?
- used and unwashed clothing or bed sheets
- food found in the victim's refrigerator
- sunglasses regularly used by the person
- a toothbrush used by the person
<h3>Answer :</h3>
food found in the victim's refrigerator could not be used to obtain the DNA of a person lost in a mass disaster.
So, correct answer is 2nd one.
each flame color is unique to an element.
Answer:
The answer is Zn(NO3)2 + 2NaOH => Zn(OH)2 + 2NaNO3.
Explanation:
Zinc is less reactive than Sodium so it will be displaced from NO3- and Sodium will replace Zinc's position.
Answer:
conjunctive adverb...................