Answer:
Gold
Explanation:
Gold is a singular element according to the periodic table. (Labeled Au), and it does not result from chemical bonds or multiple elements, like all other items listed here do.
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Answer:
X-ray
Explanation:
X-rays show an outline of the heart;
Situs inversus is when the organs are all on the opposite side of the body compared to normal;
The heart, therefore, will be found on the right than the left;
This would be visible on an x-ray
Answer:
because gravity under water with put more weight on you causing you to sink but if you were falling you will be maintaining you weight while falling
Explanation:
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