The most important chemical catalyst on the planet is chlorophyll, ——- carbon dioxide and water react to from carbohydrates.
whose presence
which is present
presenting
in the presence of which
Explanation:
Correct Answer is: in the presence of which

whose presence
which is present
presenting
in the presence of which
Correct Answer is: in the presence of which

The word `everything` is –––. Option A: on adjective , Option B: an adverb , Option C: a pronoun, Option D: a noun, correct answer is: a pronoun
He parted _____ his friends in tears. Option A: with , Option B: from , Option C: against, Option D: beside, correct answer is: from
What is the verb of the word `error` ? Option A: errand , Option B: errant , Option C: err, Option D: erratic, correct answer is: err
Which one is correct? Option A: Did you finish the work yet? , Option B: Did you finished the work yet? , Option C: Have you finish the work yet?, Option D: Have you finished the work yet?, correct answer is: Have you finished the work yet?
`Everyone has the right to freedom of peaceful assembly and association`_ is the _ no. article of the declaration of human rights. Option A: 16 (1) , Option B: 18 (1) , Option C: 20 (1), Option D: 22 (1), correct answer is: 20 (1)