Answer:
Answer is D, Heart rate monitor.
Explanation:
It is known to be true that during exercise, the rate of the heart beat increases, and this is good for our heart to keep on functioning properly.
A heart rate monitor is usually a chest strap device to measure and sometimes record the rate of the heart's activities such as rate and rhythm. This device is with electrode sensors for transmitting heart rate to an app. Example of a heart rate monitor is Holter monitor.
Answer:
Please see below
Explanation:
Between all these kids carrying out this discussion, Tamara is the closest to guessing what scientists do. There is indeed a definite set of steps that scientists undertake in order to conduct science experiments. The scientific method is as follows:
- observation
- measurement
- experiment
- testing the hypothesis
The correct answer for the question that is being presented above is this one: "A. a video that shows a large river that has penguin populations on both sides."
Here are the following choices:
<span>A. a video that shows a large river that has penguin populations on both sides
B. a video that shows penguin species that have different mating dances
C. a video that shows a penguin that is laying eggs
D. a video that shows penguins in a tidal pool and an open ocean</span>
1. Coal.
2. how much carbon dioxide is emitted by each source.
3. how to maximize the use of clean sources of energy.
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