Learn it like ur singing a song
Answer:
<em>TO Determine whether Organic or not Just take some crystals on the end of a spatula and then introduce it in a flame, if it is melts or burns without white vapors then it is an inorganic compound and if you see white vapors or smoky vapors, it is organic. This is a very basic test which is used for this purpose.</em>
<em />
<em>idk the second one..</em>
<em />
I will go with A ....as radiation is out of question..... DNA sequence is same in all.......I don't think evolution is a mistake !
so A
Answer:
The correct answer is - option B. ducks and swine.
Explanation:
Influenza virus is capable of the genetic reassortment. This reassortment involves the reassortment of genetic parts in between two influenza strain. This takes place due to the ability of influenza virus to alter or modify the structure of Hemagglutinin (HA) and neuraminidase.
Some other characters also helps them to develop different strains for different host such as mutation, antigenic drift and many other conditions. Influenza virus subtype A are belongs to the avian host so they affect the birds such as duck, swan, gesse. Other than avian variants there is another strain that affect pigs known as swan variants. These strains are virulent if reassorted with human strains.
Thus, the correct answer is - option B.
