B. Specialist
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Answer:
The correct answer will be-
1 .Arbovirus is an arthropod-borne virus
2. An arbovirus is maintained in nature through biological transmission
Explanation:
An arbovirus is a group of the virus which spreads in nature especially infect human from the infected insects (Arthropods). The most common arthropods spreading the disease caused by the virus is the mosquitoes and few ticks, gnats and fleas.
The viruses are maintained in nature through biological transmission between the vertebrate hosts by blood-sucking arthropods like mosquitoes.
Thus, the selected options are correct.
I think the answer you’re looking for is
D)
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High concentration to low is called diffusion
The best and most correct answer among the choices provided by your question is the fourth choice or letter D "<span>The thin membrane that closes the cavity of the middle ear from the outside changes position."
</span>Your ears pop in airplanes<span> because the air high above the surface of Earth is less dense than air near the surface, because air near the surface has all the air above it pushing down. </span>Your inner ear has air trapped in it and as the atmospheric pressure changes, it causes pressure on your ear<span>drum.
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I hope my answer has come to your help. Thank you for posting your question here in Brainly.
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