How do some immigrants participate in science and technology? (2 points) Attend local elementary schools Develop technological advances to improve how things work Participate in state and federal elections Spend time teaching swimming at community centers

Option B, Develop technological advances to improve how things work

Explanation:

Addition to science and technology can be done by adding some value to the existing knowledge, processes, objects etc.  People coming from other countries (immigrants) usually come with the purpose of working in the country where they are immigrating to Or they come for the purpose of higher studies. Whatever be the purpose (any of the two stated above), the net result is that the immigrants add to technology or science by improving the way how things work.

The other options A, C and D are no where related to contribution in science and technology.

Hence, option B is correct

answer; ///(positive correlation);