Q: The oxygen regions of the water molecules have what kind of charge? Choices: - positive - neutral - certain - negative A:
negative

Q: Recognition of pathogens is a function of what type of response? Choices: - digestion - inhalation - hormones - immune A:
immune

Q: What is the spreading of white light into its full spectrum of wavelengths called? Choices: - condensation - saturation - radiate - dispersion A:
dispersion