What do most African nations do with their natural resources for a profit

In the mid-1960s scientists created the two person gemini spacecraft that achieved many things in space. this new three person spacecraft took americans to the moon in july of 1969. a. discovery c. explorer b. columbia d. apollo

All native american time were united against their struggle with the european settlers true or false

Ascientist performs an experiment where she measures the mass of a piece of metal, pours acid onto the metal, washes the metal, and then re-measures the mass of the metal. the scientist repeats the experiment several times, each time increasing the amount of acid used. the dependent variable in the experiment is the: initial mass of the metal final mass of the metal amount of acid used washing the metal