Аis formed when tectonic plates collide. a. rift
b. subduction zone
C. fault
d. all of the above
Please select the best answer from the choices provided
A
B
С
D

Competition occurs between species when

Acommon kind of mechanical weathering is called

According to the cell theory, which describes cells? a. all organisms are composed of multiple cells. b. all cells have the same structure and function. c. cells are found in everything on earth. d. living organisms are not created spontaneously