lexington county army air base in columbia south carolina bears the distinction of being one of the training sites for
a) the tuskegee airmen.
b) doolittle's raiders.
c) the crew of the enola gay.
d) the crew of the memphis belle.

Which steps are important when designing and conducting a scientific experiment? hide the results from fellow scientists. identify the independent variable. eliminate all dependent variables. address any confounding variables. form a non-falsifiable hypothesis.

Abrief, "first-step" presentation of a work to be completed is called a

The second westward surge reached the: mississippi river, appalachian mountains, oregon territory