Will give brainlist:))

Plz which expression is equivalent to the expression below?

Which best describes the strength of the correlation, and what is true about the causation between the variables? it is a weak negative correlation, and it is not likely causal. it is a weak negative correlation, and it is likely causal. it is a strong negative correlation, and it is not likely causal. it is a strong negative correlation, and it is likely causal.

Which word in the sentence below is an interrogative pronoun? who is picking us up from school? whousisfrom