The correct answer is option D. Calcium.
Low bone density can be due to a lack of calcium thus requiring supplementation.
First aid is treatment given at the time of an injury. The correct option is A.
<h3>What is first aid?</h3>
The care or treatment given to a sick or injured person before regular medical assistance can be obtained is recognized as first aid.
First aid is treatment provided at the time of an injury. Because first aid is provided after an injury, it is not provided in the same location.
Thus, the correct option is A.
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Answer:
gas: because oxygen is gas
No I don’t love you random person I have never met
Answer:
Falsifiability
Explanation:
Falsifiability:
Falsifiability is an important principle in science philosophy. A theory or hypothesis only be considered scientific if it has the possibility of rejection and acceptance. It means, before acceptance of hypothesis it must be disprovable.
Example: "All swans are white" is an example of falsifiability because black swans are also there.