Identifica las variables. Estas, deben guardar una relación de CAUSA-EFECTO. Escribe las variables Variable independiente (causa) Capacidad pulmonar Variable dependiente (efecto) Condición física Variable interviniente (puede provocar efectos en la dependiente; por eso es necesario mantenerla controlada para que nuestros resultados solo se deban a la variable independiente)

in english please

Explanation:

sound moves fastest in solids because the molecules are tightly packed and it allows sound to vibrate

hi my name is ashlynn and im 15

these macromolecules could either be amino acids, proteins or nucleic acids. they are responsible for the chemical changes and reactions that affects largely the cell and its composition. take for instance the cytoplasm of the cell where these organelles are settled. these simple organelles are composed of macromolecules which ignites and catalyses different functions that enables cells, in macro-perspective in motion and metabolism. in intestines for example, metabolism happens and breaking down parts of a food to simpler compounds that are used and these nutrients delivered throughout the body and again broken down by into smaller components.