¿una barra de acero en puente de un camino de la alta montaña tiene una longitud de 50 cm cuando se encuetra a 30 C. Calcular que longitud tendra cuando su temperatura descienda a la -25 C ?

Pls the table below shows the role of different substances during photosynthesis. substance role during photosynthesis glucose stores chemical energy water combines with glucose to form carbon dioxide chlorophyll traps sunlight which of the following statements would correct one of the roles listed in the table? glucose combines with carbon to form water. chlorophyll reacts with light to produce carbon dioxide. water combines with carbon dioxide during photosynthesis. chlorophyll stores chemical energy needed for photosynthesis.