Evaluación final T12 02 - La economía de la Comunitat Valenciana

Indica cuáles son las principales actividades del sector primario valenciano.

El reformismo de Gorbachov

Cuando en abril de 1985 acepté encabezar el Comité Central del PCUS (…), nuestro país se había desgastado en una carrera de armamentos extenuante. [...]

El signo

El lenguaje científico y el jurídico-administrativo

Talk about it. Plant nutrition

Where do plants get the substances that they need to carry out their vital functions? Why do plants need the Sun? How does the vital function of nutrition differ in plants and animals? Why are plants so…

Fertilisers

Fertilisers are mixtures of chemical substances, including many biolelements. They are used to enrich the soil and improve plant growth. They usually contain nitrogen, phosphorus, potassium and…

Think about it

Make a diagram showing the order of events from pollination to fertilisation. Which system of pollination is better, insect or wind? Debate. What is the advantage and disadvantage of coevolution as seen…

Classify. Interaction in animals

Indicate what type of stimulus is taking place in each case: physical or chemical. Sound: volume, pitch. Touch: pressure, intensity. Smell: different compounds, intensity. Vision: colour, shape,…

Learn. Biomes - The natural environment. Ecosystems

The name biome is given to zones of the Earth which have similar plant and animal populations. Each biome spreads over a large area, including different continents. On a given continent, there can be…

Calculate. Mass and weight

Remember what you have studied in this section and answer the questions: Determine the weights of the following masses: 20 kg 50 kg 100 kg Determine the mass of three bodies whose weights are as…