Proper environmental sanitation and the use of insecticides will prevent the spread of dengue fever virus.
<h3>What is a disease vector?</h3>
A disease vector is an organism which transmits pathogens to other organism.
Aedes aegypti mosquito is the vector for dengue fever. It transmits mosquito through its bite, thus introducing the virus into the blood.
The use of insecticides and the proper sanitation will help prevent the transmission of diseases.
At home, use of insecticide-treated nets will help prevent the spread of dengue fever.
Therefore, proper environmental sanitation and the use of insecticides will prevent the spread of dengue fever virus.
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The correct answer is, C. Homeostasis; Homeostasis maintains a stable condition of the body.
Because at any time, you can find cells that are undergoing mitosis.
Answer: C. 1.8
Steps:
25x = 45
x = 45/25
x = 1.8
