contestada

Is it legal under the NLRA for SEIU to be an additional union that graduate student employees can choose to bargain with the UAW and Columbia when they start collective bargaining?
1) No, under Section 7's right to collective action
2) Yes, under Section 7's right to collective action
3) Yes, under Section 9's exclusivity section
4) No, under Section 9's exclusivity section
5) Yes, there are many workplaces that have multiple unions representing the same employees