[Answer] 3. This particular laboratory houses the biggest particle accelerator on earth. This is the place to be if you are involved in developing particle physics. Situated in between two countries, simple: name it.

Step 1 : Introduction to the question "3. This particular laboratory houses the biggest particle accelerator on earth. This is the place to be if you are involved in developing particle physics. Situated in between two countries, simple: name it."

...1. BNL 2. CERN 3. CRNOS 4. ISRO The European Council for Nuclear Research, situated between Switzerland and France. It is one of the premier institutes of particle physics. Thousands of scientists flock here to study and learn about these things. It houses the largest particle accelerator on Earth, the Large Hadron Collider (LHC).