please help and i need answers that your positive bc i cannot afford to fail this exam so please only answers your 100% sure. NO LINKS OR FILES OR I WILL REPORT !!

Which of the following leaders launched successful revolutions against spanish rule in the northern regions of south america?

What job did jackie robinson have before coming famous

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