Escribe de forma adecuada que tipos de energías se manifiestan o almacenan en las siguientes objetos o fenómenos Tren en movimiento
rayo
trueno
chocolatina
pájaro volando
corriente eléctrica
relámpago
agua en una presa
agua que corre en un rio
agua hirviendo
madera
núcleo de un átomo
carbón
viento
sol

Which of the following statements best characterizes changes to agriculture in the united states since 1900? a. increased mechanization has reduced the need for labor. b. increased mechanization has increased the need for water, thereby increasing the need for labor. increased mechanization has increased the use of land, thereby increasing the need for labor. d. increased mechanization has increased food production, thereby increasing the need for labor. select the best answer from the choices provided.