Modern farming techniques provide benefits and consequences . which of the following are examples of both? select all that apply

a. biodiversity has been greatly reduced by monoculture.
b fertilizer both boost production and damages the environment
c. crops are getting more resistant to diseases and pest each year
d. terracing allows farming on steep hillsides

question

which are human systems?

the amazon rain forest

the appalachian trail

the george washington bridge

the himalayas

the hoover dam

the north american free trade agreement

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