The absorbing of the sun's heat by concrete and asphalt can have which of the following effects on an urban area? higher temperatures than surrounding areas unpredictable weather patterns increased levels of acid rain rapid deterioration of buildings

What is the role of the ocular lens?

Greg drew a diagram to compare two of the fundamental forces. which labels belong in the areas marked x, y and z? gravitational force electromagnetic force x. attractive y repulsive z: infinite range x: infinite range y attractive z. repulsive x. always attractive y: infinite range z: attractive or repulsive x. attractive or repulsive y infinite range z: always attractive

A1000-kg car is moving at 30 m/s around a horizontal unbanked curve whose diameter is 0.20 km. what is the magnitude of the friction force required to keep the car from sliding?