Half the normal number of chromosomes
You would place the baseball into water that has already been measured. Then, find the difference(subtract) between the new water level and the old water level.Hope this helped
Tachycardia is a condition when the heart rate is greater than 100 beats per min at rest. The electrocardiogram is a diagnostic tool that measures and records the electrical activity of the heart. Bradycardia on the other hand is when the heart rate is slower than normal. The Tachycardia and bradycardia can arise from either the SA node or from other areas of the cardiac.