Answer:
The answer is:
2) Destruction of pathogens entering the nasopharynx.
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Answer:
The given blank can be filled with reservoir.
Explanation:
A reservoir refers to a natural or man-made lake, pond or pool, which is utilized as a supply of water. It is generally produced using a lock or dam, like in river valleys a dam is used. It comprises a section of the biosphere, which fills in as a long haul zone of stockpiling for supplements or water. A reservoir can be formed by manipulating the flow of water from a prevailing water body.
Answer:
Xylem and phloem
Explanation:
Xylem and phloem (b) option is correct
Endotherms, such as birds and mammals, use metabolic heat to maintain a stable internal temperature, often one different from the environment. Ectotherms, like lizards and snakes, do not use metabolic heat to maintain their body temperature but take on the temperature of the environment.
