Wegner thought that at one time in the earth's existence only one giant piece of land existed he called this?
a. pangea
b. larry the land mass
c fragile
d africa

Which of the following are true about bacteria? select all that apply. bacteria are all around you. bacteria can or harmful. bacteria are multicellular organisms. bacteria can only be found on the human body.

(! ) what’s fracking and what does it have to do with carbon, carbon dioxide, or fossil fuels?

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.