Languages homework help. Which type of polymerization starts when a free radical is mixed with monomer units?a.__Subtraction polymerizationb.__Addition polymerizationc.__Condensation polymerizationd.__Sequential polymerization2. Look up latex rubber (also called natural rubber) and determine the monomer that is used to produce it.________________________3. Latex allergies can be very serious. Do a little bit of research and describe the cause of latex allergies and what common alternatives can be used in place of natural latex._____________________________________________________________________________________________________________4.Think about a future job, and explain how polymers would be beneficial to your job. Include which type of polymer(s) might be used. (150 words minimum)