(Q).
Q: Light retains its original color under water because what remains the same when light is refracted? Choices: - wave length - density - sound - frequency A:
(A).
frequency

(Q).
Q: An example of irreversible denaturation of what substance occurs to the liquid albumin when an egg is fried? Choices: - bacterial - acids - liquid - protein A:
(A).
protein

(Q).
Q: What is the process by which almost all plants make food? Choices: - reactions - digestion - melting - photosynthesis A:
(A).
photosynthesis