Which statement best describes how light travels?

light, in a vacuum, travels at the same speed even if the light source is moving.
light given off from a moving source will travel faster in a vacuum.
light given off from a moving source will travel faster in air.
light, in a vacuum, travels slower if the light source is moving.

Plz ! cattle ranchers and dairy farmers rarely allow all of their animals to reproduce instead they practice selective breeding and only encourage the reproduction of animals with specific features. which of the following cows would a dairy farm most likely choose to reproduce? a. a cow that makes a lot of milk. b. a cow that can run quickly. c. a cow with a think, soft fur. d. a cow with large, strong hooves.

How does a gymnosperm prevent itself from pollinating the same tree

Which of the following is a good strategy when it comes to desserts