By comparing the molecular structure of catechol and hydroquinone, determine what actually influences the specificity of catechol oxidase?

In the water cycle , when does water undergo a chemical change

Long term exposure to waves can cause sunburns and skin cancer.

8) animals respond in various ways to stimuli detected through their senses. some of these responses are stimulated by the presence of danger. which of these animal responses is the best example of a response to an immediate threat? a) a rooster crows every morning at the first sign of light. b) as something approaches an octopus, it shoots a cloud of ink. c) from late fall until spring, bears hibernate to preserve energy. d) a dog is getting hot in the sunlight, so he moves to a shaded area.