Scientists should not be allowed to conduct medical tests on animals. Why? (pls answer quickly it is urgent)

Although humans often benefit from successful animal research, the pain, the suffering, and the deaths of animals are not worth the possible human benefits. Therefore, animals should not be used in research or to test the safety of products. First, animals' rights are violated when they are used in research.

Plz mark me brainlist

peace, morning, sun glooming, sorrow, woe pardon’d, punished, more hence, talk, story. all of these three words have to do something with a depressed, regretful tone. woe is another word for misery, heartache, so all of these words are about unhappy feelings.