The linking verb is the word, "is" and "effective" is the predicate adjective.
I hope this helps.
Take care,
Diana
Answer:
passage 1
Explanation:
since the definition of expository text are things that explain or instrstuct. it's explaining what makes weather
sorry if it's wrong though
Going
liking
having
working
listening
staying
visiting
enjoying
not knowing
speaking
Basically present progressive states that it is happening right now in the present time