Central claim: Animal testing is important because it provides valuable scientific breakthroughs. Which reason best supports the central claim? Animal testing is a practice that has been around since the time of ancient Greeks. Labs conducting test on animals must pass rigorous tests and be granted a license. Animal testing is cruel, and the animal that are tested endure great suffering, and even death. A number of lifesaving drugs and services procedure are the direct products of animal testing.

A number of lifesaving drugs and services procedure are the direct products of animal testing

Explanation:

The reason that beats support the central claim "Animal testing is important because it provides valuable scientific breakthroughs" is that a number of lifesaving drugs and services procedure are the direct products of animal testing.

This answer supports the claim as it shows that testing of animals is vital for breakthroughs in science. Other options are wrong as they don not support the claim.