A bar chart, sometimes known as a bar graph, is a type of chart or graph that displays categorical data using rectangular bars with heights or lengths proportionate to the values they indicate.
<h3>What is a bar graph used for?</h3>
Bar graphs are used to compare data across groups or to follow changes over time. When attempting to measure change over time, however, bar graphs work best when the changes are big.
Bar graphs are a powerful graphic to utilize in presentations and reports. They are popular because they enable the viewer to identify patterns or trends far more simply than a table of numerical data.
Thus, Option C is what Dana should use.
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Answer:
Light Bulb and Electricity.
Explanation:
In the 19th Century, many inventions changed Americans' lives but the invention of Electricity and the Light bulb was the most essential. Electricity brought about many inventions like the telephone, the telegraph, etc. Thomas Edison was credited for the invention of the Light bulb. The creation of which changed Americans' lives socially, economically, and also society's structure. It led to the making of home appliances.
Because they are very far away they all look not as bright in spectrum they are all enormu and bright
Answer:
The correct answer is b) perform one or more experiments.
Explanation:
Economists, like any researcher, use the scientific method, so to test a hypothesis, look at their tests, patterns, and check results.
The economist must analyze their results because each study can have significant consequences, and these studies can make a change in the economy until they can become law.
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