atrioventricular , <span>semilunar - When listening to the heart,</span><span> the examiner listens for the unique lup-dup sounds of the heart to understand if the heart is healthy. These sounds are generated when the heart beats to allow blood to flow throughout the body. The sound is basically created each time the heart valves snap shut. The "lub" is the atrioventricular valves snapping
shut and the "dup" sound occurs when the semilunar valves close at the
end of systole.</span>
Answer:
D) Swiftly flowing mountain rivers are dammed.
Explanation:
The electricity generated by the flowing of the water is classified as hydroelectricity. This form of electricity is a renewal form of energy. they do not harm the environment and pollutes it. In Europe, because of the production of hydroelectricity, there has been less amount of greenhouse gases disposed of in the atmosphere.
Science subject mainly subject
The answer to this question would be D.
