Sintetiza. La emergencia de nuevos centros económicos

Recuerda lo que has trabajado en este apartado y contesta: ¿Por qué decimos que avanzamos hacia un modelo multipolar? ¿Quiénes forman el grupo BRIC? Explica la importancia de estas nuevas potencias…

El sintagma verbal predicado

El sintagma verbal predicado El texto

El ensayo, la exposición y la argumentación

La lírica y la prosa en el Barroco

El teatro en el Barroco. El Neoclasicismo

La literatura española en el siglo XIX

Final Autoevaluation 1.02 - Plant nutrition

J. van Helmont's experiment Van Helmont (1577-1644), a Flemish doctor and chemist, thought that in addition to water, air and substances in soil, other elements must be necessary for plant…

Think about it. The responses of plants

Remember what you have studied in this section and answer the questions: Discuss whether a plant would respond to light if the tips of the stem were cut off. Explain why poinsettias are typical…

Motion

A moving object is any object which changes position over time. 1.1. The trajectory of motion A trajectory is a line which connects the different positions occupied by a moving object (figure 1). A…

Uniform rectilinear motion

2.1. Velocity In a moving car, the speedometer tells us what velocity it is travelling at, at any given moment (figure 1). Velocity is the distance travelled per unit of time. Average velocity If we…