I believe the correct word in the blank would be biological. I don't think anything else will fit in, especially when monomers of biological polymers are truly larger and more complex.
4, 5 I think I’m not too sure
Answer:
The tympanic membrane and stapes of the bullfrog can be driven by airborne sound over a wide frequency range, with a broad maximum in their velocity amplitudes between 0.4 and 2 kHz (Mason and Narins, 2002a).
Answer:
The decline rate ranges from 2.7 to 3.79
Water quality testing would be the best approach.
