<span>The answer for this question would be letter A. Experimentation takes in by experimenting with your hypothesis, knowing what will happen and then gathering data from the outcome of the experiment. For your data, you create your analysis of what had happened then conclude.</span>
Answer:
new technology for freezing food
Explanation:
The graph shows a decline in demand for meals served between 2007 and 2008.
People can feed themselves in two ways, buying frozen food or buying food served at restaurants. In this way, we can say that these two forms of feeding are substitutive. If new technology allows frozen food to last longer, people can substitute meals served with frozen meals. This explains the decrease in demand for meals served, seen through the shift to the left of the demand curve on the chart, from 2007 to 2008.
Answer: Longitudinal research
Explanation:
Longitudinal research is the research study that is carried out by the researchers through observation technique. Information and sample are collected on the same project over a time period to observe any kind of change.
These researches can take huge amount of time such as may years to notice the alteration on the repeated observation.This study is carried out on the same individual or same group of individuals s the subject.
Ancient Egypt ,separated by periods of relative instability known as the Old Kingdom of the Early Bronze Age, the Middle Kingdom of the Middle Bronze Age and the New Kingdom of the Late Bronze Age.