He studies hard into negative

he doesn't study hard is the negative form.

Question: He studies hard.( convert it into negative)

He doesn't study hard.

Explanation:

If there is no helping verb in a sentence ,in that case according to the tense, 'do not, does not and did not ' are used.

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original oratory is a competitive event in the national speech and debate association, stoa usa, national catholic forensic league, and other high school forensic competitions in which competitors deliver an original speech on a subject of their choosing, though the speech must be factual.racial discrimination refers to discrimination against individuals on the basis of their race. policies of racial segregation may formalize it, but it is also often exerted without being legalized and also it means facing injustice.

1, 4, and 5 are all conflicts