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.
They protect them with there cell walls
Answer:
The correct answer will be option-nasal cavity.
Explanation:
The pharynx is the hollow tube which is divided into three parts: the nasopharynx, oropharynx, and hypopharynx.
The nasopharynx is the upper part of the throat present behind the nose which is 3 to 4 cm long and 2 to 3 cm wide. The nasopharynx connects the mouth to the nose and allows a person to inhale through the nose.
Thus, the option-nasal cavity is the correct answer.
Answer:
d.wind energy pullutes less than coal
Explanation:
they are not polluting the air it is making energy also
