Se define como el movimiento corporal producido por los músculos esqueléticos que tiene como resultado el gasto de energía, teniendo en cuenta que el gasto calórico individual en una tarea está determinado por la masa muscular del sujeto y la intensidad, duración y frecuencia de las contracciones musculares. el anterior concepto hace referencia a:

Apump contains 0.5 l of air at 203 kpa.you draw back on the piston of the pump, expanding the volume until the pressure reads 50.8 kpa. what is the new volume of the air pump

Which of the following units is not an official si unit? mole liter kilogram ampere

Nebulae are enormous clouds in outer space. they are made mostly of hydrogen gas, helium gas, and dust. some nebulae glow brightly, while others do not. the stars that people see are huge, bright balls of glowing gas. they are made mostly of hydrogen and helium. which statement correctly describes other ways in which nebulae and stars are different? a. stars can form inside a nebula but a nebula can never be produced by any star. b. a star always has a higher density than a nebula. c. stars can never form inside a nebula but a nebula can be produced by any star. d. a nebula always has a higher density than a star.