en la construccin de vias de tren se debe tener en cuenta la dilatacion de los solidos cuando son expuestos al calor ¿ en que otras situaciones creen que debe ser consideraciones esta propiedad?

The gulf stream is a warm water current that flows away from the equator to northern europe. witch of these does it cause. a. crashes of warm and cool water in the ocean b. colder climates near the equator c. large waves on the cost of europe d. warm climates in northern europe

Read "who built the pyramids? ”. leave this link open while you answer the questions throughout the assignment. give at least two reasons why some people claim the pyramids of giza were constructed by aliens.

Describe at least two advantages and two disadvantages of using hydropower as a source of energy.