A student sets up an experiment to determine whether temperature affects how many times a cricket chirps per minute. She sets up one tank with crickets at room temperature, one at a colder temperature, and one at a warmer temperature. All of the crickets are the same type and receive the same food and water. Each day at noon the student counts how many times the crickets at different temperatures chirp in one minute. What is the dependent variable?

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.

Coquina, a type of limestone, forms from shell fragments that settle on the ocean floor. what type of rock is coquina?

What is the difference between bacterial infections and viral infections?