Relaciona. Parejas de conceptos

Explica la vinculación que existe entre: parcela/campo cerrado agricultura extensiva/barbecho ganadería/semiestabulación pesca/redes de malla ancha

Evaluación final T10 05 - Las actividades del sector terciario

¿Qué aspectos del comercio exterior recoge la balanza comercial? ¿Y la balanza de pagos?

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. [...]

Casos particulares del verbo

Casos particulares del verbo Diferentes formas de hablar

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…

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,…

Mycorrhizas, a beneficial association

Certain fungi in the soil live with the roots of the majority of plants in a generally mutualistic association called a mycorrhiza. Mycorrhizas are found in the majority of trees in tropical zones and…

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…