Jason studied the relationship between teenagers' social media activity and their grades. He believes that he has discovered an important correlation between the two concepts. However, he did not use a control within his experiment. What problem has he created for his research?

His study will lack validity.

His study will lack reliability.

He may have found a spurious correlation.

He may not have had enough dependent variables.

many

Explanation:

it should be c, women were allowed to vote in all states because federal law supersedes state law.

"states can make their own laws, as long as they don't contradict what the federal law states. the states do not have the authority to pass a law that negates a federal law." -google

it looks like its all of the above. [.wpal1kojopfdpojfrfionrnif.knfdsnksjosjo]

explanation:

you have to combine all of your answers together to

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