Answer:
B all of the others are either needed requirements to live, shelter, food etc. In most states car insurance is required by law.. Cable service is really considered a luxury.
The migration of the Bantu people throughout Southern half of Africa led to a diffusion of Bantu languages. Today the number of Bantu languages is estimated to be between 200 and 500 (the difference is based on the unclear distinction between a language and a dialect) and Bantu languages are spoken in a very vast area.
Answer:
Independent
Explanation:
Independent variable: The variable that is being changed or manipulated in an experiment. The changes or alteration in the independent variables can lead to changes in the dependent variable.
It is only the researcher or the experimenter, who can make changes in the independent variables throughout the study.
There are three types of variables that can be used in an experiment:
1. Independent variables.
2. Dependent variables.
3. Control variables.
The answer is carry-over effects
Explanation: Carry-Over Effects is an effect that "transports" from one experimental condition to another. Whenever subjects perform in more than one condition (which occurs in projects within the subject), there is the possibility of transition effects. For example, consider an experiment on the effect of presentation rate on memory.