Answer:
Each time your heart beats, an electrical signal travels through the heart. An EKG can show if your heart is beating at a normal rate and strength. It also helps show the size and position of your heart's chambers. An abnormal EKG can be a sign of heart disease or damage.
Answer:
isotope of the element hydrogen called protium. Protium,
Explanation:
contains a single proton and a single electron, is the simplest atom.
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Answer:
A
Explanation:
You said 'The anser is A trust me.....'
