How to remember the difference between : sore wa nan desu ka, are wa nan desu ka and kore wa nan desu ka

Which type of irb review does not require an irb approval but does require a determination by the irb or an irb designee?

1which legislation enacted in the south after the civil war promoted "separate but equal" facilities for different races? a. fourteenth amendment b. jim crow laws c. emancipation proclamation d. fifteenth amendment

Im home schooled why does my mom make me do such hard work dx