When two countries sign a free trade agreement, they are agreeing to a. reduce import and export barriers b. create new trade quotas c. reduce the volume of trade d. create protectionist policies

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.

Using meiosis, the sporophyte produces spores that are .

Why is a mushroom considered a heterotroph