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Debora [2.8K]
3 years ago
12

ECG wave that causes ventricles to contract

Biology
1 answer:
GarryVolchara [31]3 years ago
6 0

Answer:

S-T segment of ECG shows ventricles contraction.

Explanation:

The ECG is used to measure the electrical signals that controls the contraction and relaxation of heart, most commonly known as heart rhythm. S-T segments are the region after the QRS wave in ECG which is further followed by T waves. The S-T segment is generally shown as a straight line as no electrical signal pass through it and this is the time when ventricles contraction in the heart takes place.

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The ecological footprint of the average people of Bangladesh  is 0.5 global hectares per person which much less than  average of the world ( 2.84 global hectares per capita ) .it indicates that a low purchasing power of Bangladesh . less consumption means less production .also there are few industries in Bangladesh. This is the reason the ecological footprint of Bangladesh is so small .

The United states ecological footprint is larger than that of other countries because per capita consumption of energy and a wide range of goods of all kinds is greater . wastes ,including carbon dioxide ,are greater as ell , adding to the relative size of the footprint . this is the reason the ecological footprint of the people of United states is large .

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<h3>What is ecological footprint ?</h3>

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brainly.com/question/14441911

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