<span>Ventilation.
Ventilation is used to identify the mechanical movement of gas or air into and out of the lungs. (1232)</span>
Answer:
the conclusions that can be drawn are-
a. one of the culture media must have lacked nutrients that are needed for that bacteria to grow.
b. the bacteria culture that failed to grow must have not inoculated properly.
c. the temperature of the culture must have been varied rapidly during the experiment.
d. mostly all of the culture media were capable of culturing the bacteria. this media can be used in further experiments.
Political Action Committee (PAC) — A popular term for a political committee organized for the purpose of raising and spending money to elect and defeat candidates. Most PACs represent business, labor or ideological interests. PACs can give $5,000 to a candidate committee per election (primary, general or special).
They convert energy from food into energy the cell can use - Answer
Science is required in the study of human development because research provides facts and data which will make people enabling to live their lives fully.
There are certain other reasons which make it important to study human development scientifically like the understanding of human development throughout their lifespan, makes a better understanding of the children or the off springs and the way to deal with them. The study of human development usually follows a predictable pattern so it makes a better understanding and enables to take better decisions at certain point of time.
