Terraces are used in agriculture to .
A.
practice shifting cultivation
B.
increase the amount of arable land
C.
increase the amount of erosion
D.
increase the effects of deforestation

Please select the best answer from the choices provided.

primary groups shape your individual development

explanation:

the answer would be the third option, "no, ariel should have added 9^2 and 12^2 and compared that to 15^2."

this is found through the pythagorean theorem, which is a^2 + b^2 = c^2.

this is the correct way of solving the problem:

9^2 + 12^2 = 15^2

81 + 144 = 225

225 = 225