Which of the following particle has negative charge? 1. neutrino 2. positron 3.gamma ray 4. all of the above 5.none of the above

In which direction does the moving force of air flow? a-from warm temperatures to cold temperatures b-to areas of high pressure to areas of low pressure c-east to west d-from high elevations to low elevations

By locating production facilities abroad, multinational corporations must pay more for labor true or false

What are the 28 countries in the eu?