Hans christian ørsted observed that when a current-carrying wire was brought near a compass, the compass needle moved. in ørsted’s observation, the current-carrying wire acted like a . michael faraday based his first invention, the , on ørsted s observation. nextreset

Animals respond in various ways to stimuli detected through their senses. some of these responses are stimulated by the presence of danger. which of these animal responses is the best example of a response to an immediate threat? a) a rooster crows every morning at the first sign of light. b) as something approaches an octopus, it shoots a cloud of ink. c) from late fall until spring, bears hibernate to preserve energy. reactivate d) a dog is getting hot in the sunlight, so he moves to a shaded area.

The heliocentric and the geocentric models of the solar system included these central principles

Física: un futbolista patea hacia el arco con una velocidad de 15m/ah, calcular: a)el alcance para un ángulo de tiro de 25º, b) el tiempo que el balón permanece en el aire.