Given your knowledge of Rayleigh scattering and Mie scattering, explain why the clear sky is blue, sunsets appear reddish, and clouds are white

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. reactivate d) a dog is getting hot in the sunlight, so he moves to a shaded area.

What characteristics of hv2112 make it the best candidate to be classified as a thorne-zytkow object?

Which planets are visible without a telescope