Explain why spain has such a varied climate.

Apart from it's large size, Spain has a varied climate because of it is affected by the altitude and the sea and the continental effects. It is directly affected by its position to the Iberian Peninsula sandwiched between tropical and polar wind currents.

Spain lies in the temperate zone it's climate is determined by its unusual world position, and by its continental land mass and high mountainous terrain,producing one of the most diverse and varies climates in Europe

Cotton was the very first

By water evaporation from the leaves is created a negative pressure at the top of the tree that promotes the ascension  of the water through channels that are called xylem. there are also two molecule forces that are involved: the intra-water molecules cohesion (water molecules stick to each other) and the adhesion when the water molecules stick to the channels they are running in. this is what enables water to go from the roots to the top of a tall tree.