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Butoxors [25]
3 years ago
14

Is this true or false an important ecological issue is the rapid growth of the human population

Biology
1 answer:
Minchanka [31]3 years ago
4 0
True of course the more people thier are the more forest wioll be cut down etc
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Can you guys please help me I’m struggling
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3 years ago
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Use the normal ecg trace below to determine how many seconds the trace represents as well as the heart rate.
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Attached is the image of the concerned ECG reading.

In reading the ECG, first you read the heart rate. To read the heart rate, you must count for the number of small boxes in between QRS complexes, specifically R-R intervals. These number of small boxes will then be used to divide 1500. In this example, there are 20 small boxes between R-R intervals. 1500 divided by 20 is 75, so the heart rate of this ECG reading is 75 beats per minute. 

<em>Another way, albeit less accurate, is to count the big squares between R-R intervals and instead of dividing it by 1500, you divide it by 300.</em>

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2 years ago
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Alexxandr [17]

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3 years ago
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Levart [38]

Answer: The simplest way is to determine if a strain is mutant is observing morphology, growth rate, double time, etc but it is accurate if you can prove if the strain is deficient in one aminoacid or can't metabolize lactose, etc.

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