Answer and Explanation:
Observing population directly gives you accurate result .
Direct observation does not need any intermediary as they themselves go for survey.
So, it is cost efficient.
Whereas indirect observing may involve manipulations.
It requires someone or many to hire who helps in surveying.
It incurs cost.
Thus, direct observation is always better than indirect observation.
Answer:
Explanation:Many viruses follow several stages to infect host cells. These stages include attachment, penetration, uncoating, biosynthesis, maturation, and release. Bacteriophages have a lytic or lysogenic cycle.
Answer:
Stimulating the brain can enable the benefits of
Explanation:
Answer:
Y chromosome
Explanation:
The presence of the Y chromosome indicates a male, whereas the absence of it indicates a female.
I believe it’s A Explanation, On average, hair tends to grow between 0.5 and 1.7 centimeters per month. That is about 0.2 to 0.7 inches. And I’m really sorry if I’m wrong but hope I helped
