Which of the following statements is accurate in describing the activity of the lactase enzyme?
a. lactase can function equally effectively at many different ph levels
b. the shape of lactase does not change during the reaction
c. lactase is converted to glucose and galactose by the reaction
d. one lactase enzyme can catalyze many reactions

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answer:

i don't believe the ocean is purple, but it might once have been:

as for the sky, according to nasa:

"sunlight reaches earth's atmosphere and is scattered in all directions by all the gases and particles in the air. blue light is scattered more than the other colors because it travels as shorter, smaller waves. this is why we see a blue sky most of the time."