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lapo4ka [179]
3 years ago
12

Amy designed an experiment to test how exercise affects adult men. The resting heart and respiratory rates were measured in fift

y men between the ages of 25-55. Once a baseline was established, the men were asked to run on the treadmill for five minutes. The breathing rate and heart rate were recorded every thirty seconds.
Geography
2 answers:
Ray Of Light [21]3 years ago
5 0

Explanation:

The question is incomplete.

However a standard method to dertmine how workload effects health is developed and is called Harvard step test.

The Harvard Step Test is a fitness test method devised to measure heart and respiratory fitness. It is done by giving some work load to a person for 5 minutes (normally) and then noting his heart rate afterwards in some intervals.

Formula is;

Fitness Index =  (100 x test duration in sec) / (5.5 x pulse count between 1 and 1.5 mins)

balandron [24]3 years ago
4 0

Answer:there is a positive correlation   between heart rate and respiratory rate

Explanation:

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How did the language of Quechua spread throughout the Andes?
Georgia [21]
We can immediately reject option D - while Spanish is an Indo-European language, Quechua is an indigenous language of the Americas. 

The Spanish conquerors did not care much about the indigenous population - except if they could covert them, which would make them be seen as defenders of the Christian faith and win them favours with the Pope. 

So they would not teach the indigenous population in secular schools, they would however, try to teach them religion. The correct answer is A - The Catholic clergy believed that Christianity would be adopted faster if translated into an indigenous language.
6 0
3 years ago
Find the volume of a pyramid with a square base, where the side length of the base is
Lubov Fominskaja [6]

Answer:

The volume of the given pyramid is 340.8 cubic feet.

Explanation:

The volume of an object is a consideration of the dimensions of the object with respect to 3 dimensions.

volume of a pyramid = \frac{1}{3} x base area x height

But,

base area = length x width

                 = 12 x 12

                 = 144 square feet

So that,

volume of the pyramid = \frac{1}{3} x 144 x 7.1

                            = \frac{1}{3} x 1022.4

                            = 340.8

The volume of the given pyramid is 340.8 cubic feet.

5 0
2 years ago
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How does the coriolis effect affect wind?
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Hopefully This Helped You!
:)
8 0
2 years ago
Which of the following is NOT a shared characteristic of a state?
Vesnalui [34]

Answer:

Correct answer is b- Permanent population .

Explanation:

Option A is not correct as every state needs to have a defined territory, which is established in a certain period.

B is correct as population of country changes due to different reasons, including for example the migrations.

C is not correct as every country has its leadership. For example, if it is a monarchy, it has a unique monarch (king).

D is also correct as every country has its official language.

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2 years ago
b. Describe one way that cultural attitudes toward the physical environment could lead to support for a proposed windmill array
Nonamiya [84]

Answer:

a

Explanation:

I'm not sure but the answer is letter a

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3 years ago
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