Explain how cnidocytes with their nematocyst function in food capture and defense.

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.

In the water cycle , when does water undergo a chemical change

20 the compound al(nh3)2 has atoms of nitrogen.