Answer:
Helium neon and Argon are called inert gases are noble gas because they have complete its duplet as well as Octate. and no other element like Helium neon and Argon complete its octate and duplete. in the 18th period all element are inert. Which gas does not exist in air?
Explanation:
The boy is in pain is an statement that is an inference.
Sources of salmonella contamination include pet turtles, iguanas, and other reptiles. The term that describes the food poisoning caused by the salmonella bacterium is salmonellosis. Salmonella can be found most likely in following f<span>oods: </span><span>raw or undercooked eggs, raw milk, contaminated water, and raw or undercooked meats.</span>
The answer is <span>geographic isolation.</span>
<span>When a new species form by geographic isolation, it is called
geographical speciation or allopatric speciation. Geographical isolation is a physical separation which prevents gene
flow between distinct populations (on the island and on continent). The island populations will eventually diverge from a single species that migrated to the island. The members of the populations, which once belonged to the same species, will
no longer be able to mate and produce offspring. Eventually, the formation
of new species will occur, for example kangaroos, koala, and wombats, form that one species.</span>
