How do I find the measure of the arc or central angle indicated?

Which of the following is an example of relocation diffusion

To obtain a microcredit loan, a person typically must a. be a male and have a source of income b. provide collateral and sign paperwork c. verbally promise to pay back the money d. have a good credit history select the best answer from the choices provided. a b c d

Sink holes may eventually for to join a. wide valleys b. zone of aeration c. dripstones d. aquifer