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Paladinen [302]
2 years ago
7

Which statement correctly describes an interaction of the respiratory and

Biology
1 answer:
BlackZzzverrR [31]2 years ago
7 0

Answer:

C. Breathing and heart rate speed up during excercise.

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Answer: To show how different members of a species are related.

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Nutrients move through ecosystems in different way. which nutrient cycles through organisms,rivers,
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Water cycles through organisms and rivers.
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The major cause of water pollution by industries involves
Luba_88 [7]

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Toxic chemicals is a major cause of water pollution. In most cases, the toxic chemicals came from the residual from production process after companies done making their product

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3 0
2 years ago
Lila is a track and field athlete. She must complete four laps around a circular track. The track itself measures 400 meters fro
tekilochka [14]

Answer: Her speed is 4.4 m/s, and her velocity is 0 m/s.

Explanation:

Formulae :\text{Speed}=\dfrac{\text{Distance}}{\text{Time}}

\text{Velocity}=\dfrac{\text{Displacement}}{\text{Time}}

Given: Length of track start to finish=  400 meters

After completing its 4 laps, total distance covered = 400 × 4 = 1600 meters

Time taken by Lila =   6 minutes

= 6 × 60 seconds      [There are 60 seconds in 1 minute.]

= 360 seconds  

Then, \text{Speed}=\dfrac{1600}{360}=\dfrac{40}{9}m/s

= 4.44\ m/s

But from start to finish displacement = 0 m   [displacement is the shortest distance between starting point to the finishing point]

So, \text{Velocity}=\dfrac0{360}=0\ m/s

Hence, Her speed is 4.4 m/s, and her velocity is 0 m/s.

8 0
3 years ago
Pls help
DochEvi [55]

Answer: Don't know sorry

Explanation:

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