The physical condition of the air at a given time at a given location is defined as

The hypothesis of continental drift states that earth's continents, which are located on tectonic plates, move relative to each other. which of the following is true of the movement of the tectonic plates? a. tectonic plates only move once every million years. b. they move at a rate of approximately 5 centimeters per year. c. tectonic plates never move, only the continents located on them do. d. their movements are very rapid and occur at random times.

What materials must dams have to produce electricity, and what must occur?

Which of th following best describes how genes produce traits in an organism?