.Un bloque uniforme de 20 cm de longitud y 20 cm de altura descansa en un plano inclinado. Una pequeña ondulación evita que resbale por el plano,
¿cuál es el ángulo entre el plano inclinado y la horizontal, a partir del cual
comienza a voltearse el bloqué

Which sentences describe point source pollution? in this type of pollution, the source of the pollution is single and easily identifiable. when runoff water from the melting of snow mixes with debris, it creates pollution. the runoff water, mixed with pollutants, reaches large areas with disastrous effects. alternatively, when a wastewater treatment plant releases harmful chemicals into a stream, the chemicals pollute the stream water because they are not treated for safety.