There are different things that can render an experiment to be invalid. The option that would most likely make the results of the experiment invalid is Some students eat breakfast two hours before other students do.
Invalid Science is known to have some level of scientific claims due to the fact that the experiments cannot be reproduced.
There are different causes that can make an experiment to be invalid. They are;
- When the results obtained may not match up each time are uncontrolled conditions and experimental error.
- When some Uncontrolled conditions influences your result.
In the above, the student not taking their breakfast the same time can render the experiment invalid as the time of event differs.
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Answer:
The Canadian federation consists of ten provinces and three territories. Canada consists of 13 political divisions: 10 provinces and 3 territories. The territories are Northwest Territories, Nunavut and Yukon.
Primary sources are the raw materials of historical research - they are the documents or artifacts closest to the topic of investigation. ... Secondary sources are not evidence, but rather commentary on and discussion of evidence
The correct answer is letter A. Here is an excerpt from Tutu's Speech:
<span>"For my beloved country is wracked by division, by alienation, by animosity, by separation, by injustice, by avoidable pain and suffering. It is a deeply fragmented society, ridden by fear and anxiety, covered by a pall of despondency and a sense of desperation, split up into hostile, warring factions. It is a highly volatile land, and its inhabitants sit on a powder keg with a very short fuse indeed, ready to blow us all up into kingdom come."
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He is saddened by the fact that his country supposedly flowing of milk and honey is at war and its people are not even safe and protected because of this.