Is this sentence grammatically correct or incorrect?

She lived in 2 south Americans countries.

When ralph realized that there were no adults around what was his reaction?

What a direct object and object preposition is

The gulf of tonkin incident involved the united states and

What is a bold statement

It is best to keep the purpose of the study s research from the subjects in order to keep their involvement private. true or false.

The charteristics of unicelluar and multicelluar organisms

Bob works closely with Joe and his growing tired of Joe's know it all attitude Bob has reached his

If you did or said something slightly irregular at the farthest end of the street from your cottage, where your legitimate bosses lived, somebody would be watching and ready to call out: "Mira, que muchachito tan malcriado.

Who used a question and answer method of arriving at important truths

If you fall behind on your schoolwork, you should make a plan for how you're going to get back on track.