Answer:
b
Explanation:
Hydrocarbons provide 84% of the world's energy, but they are non-renewable. Hydrocarbons are the most economic form of energy.
Answer:
applied
Explanation:
According to my research on different research methodology, I can say that based on the information provided within the question this is best described as applied research. This type of research focuses on solving a specific and practical problem, in this situation that practical problem is finding a solution in order for gasoline to burn more efficiently.
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The correct option would be A. same group.
They have similar chemical properties as they would have the same number of electrons in their outer shells.
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Answer:
Significant figures are a measure of <u><em>precision</em></u>.
Explanation:
The significant figures of a number are those that have a real meaning and, therefore, provide some information. Therefore, the set of digits that are known with certainty in a measure are called significant figures and are the digits of a number considered non-null.
Any experimental measurement is inaccurate and must be expressed with its significant figures.
In this way, significant figures express the precision of a measuring tool.
Answer:
1+1=2 Unless this is a trick question. Then it's most likely 11.
Explanation: