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A warm-up generally consists of a gradual increase in intensity in physical activity (a "pulse raiser"), joint mobility exercise, and stretching, followed by the activity. For example, before running or playing an intensive sport, athletes might slowly jog to warm their muscles and increase their heart rate. It is important that warm-ups be ...
Vocal warm-up demonstration from the United States Navy Band. A vocal warm-up is a series of exercises meant to prepare the voice for singing, acting, or other use. Vocal warm-ups are essential exercises for singers to enhance vocal performance and reduce the sense of effort required for singing. Research demonstrates that engaging in vocal ...
This is why the temperature change is defined in terms of a 20-year average, which reduces the noise of hot and cold years and decadal climate patterns, and detects the long-term signal. [63]: 5 [64] A wide range of other observations reinforce the evidence of warming.
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Climate change, fueled by greenhouse gas emissions, has made eerie warmth more likely in states up and down the US. Non-profit group Climate Central said some cities had felt heat 20 degrees above ...
This report was released on the heels of the fifth national climate assessment mandated by Congress, which shows the U.S. is warming roughly 60% faster than the rest of the world and hurting ...
Cooling down (also known as limbering down or warming down) is the transition from intense physical activity to a more typical activity level. Depending on the intensity of the exercise, cooling down after a workout method, such as intense weightlifting , can involve a slow jog or walk .
This is why the quantity known as the greenhouse effect is important: it is one of the few quantities that go into determining the planet's mean surface temperature. Greenhouse effect and temperature Typically, a planet will be close to radiative equilibrium, with the rates of incoming and outgoing energy being well-balanced.