Answer:
Change in Velocity because
Explanation:
Remeber area is length times Width. In this case, the area under a accleraton vs time graph is Accleration Times Time. Which is velocity
Water is a compound because it A. cannot be broken down into simpler substances. B. always has two hydrogen atoms for each oxyge
2 answers:
Answer: Option (B) is the correct answer.
Explanation:
A compound is defined as a substance in which two or more different elements in a fixed ratio by mass combine chemically with each other.
For example, chemical formula of water is and it is a compound because here two atoms of hydrogen chemically combine with one atom of oxygen.
And, the ratio of these atoms is 2 : 1. A compound can be broken down into simpler substance by chemical means only.
Whereas an element is a substance that contains only same type of atoms that cannot be broken down into simpler substances.
Thus, we can conclude that water is a compound because it always has two hydrogen atoms for each oxygen atom.
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Via the half-life equation:
Where the time elapse is 11,460 year and the half-life is 5,730 years.
Therefore after 11,460 years the amount of carbon-14 is one fourth (1/4) of the original amount.