The monomer must be able to form stable covalent chemical bonds between units in order to polymerize.
Answer:
inhalation and exhalation
Explanation:
I think the answer is Endospore. I'm sorry if I'm wrong...
Answer is A.. hope this helps:)
People believed that zebras were white animals with black stripes, since some zebras have white underbellies. Embryological evidence, however, shows that the animal's background color is black and the white stripes and bellies are additions.
