Answer: B. dissection
Autopsy or postmortem is a medical examination of human body that is performed to know the cause, manner and duration since death. The autopsy involves complete examination of the body. The external examination gives indication of situation of the body : number of injury, color changes due to the affect of poisons. Internal examination gives indication of condition of organ in the body of deceased. For a complete internal examination dissection is required. Autopsy is complete when all four cavities like cranial, thoracic, abdominal and pelvic are open through dissection, which allows the assessment of organs present in these cavities. Opening of the intestinal cavity will give a way to assess the intestine, which can be dissected to know the contents present in it.
Answer:
On the basis of the given information, the six goldfish are taken in distinct sized aquarium to examine the influence of habitat space on the rate of survival of the fishes. The kind and amount of food, cleanliness, and temperature are maintained similarly.
Thus, with the help of the information one can state that:
A. The size of the aquarium is the independent variable.
B. The number of fish survived after six months is the dependent variable.
C. Water temperature, the kind of amount of food, maintenance, and cleanliness of aquariums are the controlled variables or the constants.
In the controlled experiments, there are dependent and independent variables. The independent variable will get modify generally and is compared to the control. The variable, which is determined in an experiment is considered as the dependent variable. It relies upon the independent variable of the experiment. The control group in an experiment is created similar in each circumstance in an experiment. The control group is the one, which is compared with the experimental group.
The statement saying, "<span>A demonstration speech typically revolves around a process or sequence of events</span>." is true. As the name suggests, a demonstration speech aims to inform the audience primarily through demonstrating the steps involved in accomplishing a certain task. It is then necessary that the process is done chronologically and in detail.
