Square RSTU with vertices R(- 2, 1) , S(3, 4) . T(6, - 1) , and U(1, - 4) : langle-4,-1 rangle

b.

developed countries have tended to improve the environment, while developing countries have tended to damage it.

botswana

explanation:

the kalahari desert covers much of the southern half of the country, botswana.

this is from the test:

your answer is a. hope this : )