An astronomer measures the light coming from two stars, star a and star b. they appear to be equally bright. from other measurements, she knows that star b is actually twice as far away as star a. what can she conclude?

All of the following came out of china and were exchanged along the silk road, except a. papermaking b. block printing c. buddhism d. compasses select the best answer from the choices provided a b c d

What do muslims believe a prophet is? a deity an angel a minister a messenger

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