Calcula la masa atomica media del cloro (z=17) sabiendo que se conocen dos isotopos de numeros masicos 35 y 37 que aparecen en una proporcion 75% y 25% respectivamente

Select the correct answer how does the heat content of the reaction change in the process of photosynthesis when a glucose molecule is formed? ca the value of is negative the value of qis positive the value of a remains constant the value of a decreases the value of equals zero e

The agent of mechanical weathering in which rock is worn away by the grinding action of other rock particles is call

Which statement best describes the flow of energy in this scenario