Taking material from the surface of the Earth in wide, shallow layers is? A. Strip mining
B. Open-pit mining

open pit mining

Explanation:

its correct answer

g1

choices:

a. g2. b. g1. c. m

cell division has two checkpoints namely, g1

checkpoint and spindle assembly checkpoint. the checkpoint which determines if

division has properly occurred is the g1 checkpoint. at this point, is a damage

in the dna is detected or  the has not reach the optimum size, the cell is

stopped in g1 and is not allowed to proceed to further process.

source:

answer; ///i believe its: ///(embolus);