A student observes a yellow umbrella. Which statement is correct about the color of the umbrella? A. As sunlight strikes the umbrella, yellow light is reflected, but all other colors of the spectrum are absorbed by the umbrella.

B. As sunlight strikes the umbrella, yellow light is absorbed, but all other colors of the spectrum are reflected by the umbrella.

C. As sunlight strikes the umbrella, all light is reflected by the umbrella.

D. As sunlight strikes the umbrella, all light is absorbed by the umbrella.

When coal has reached it hardest, darkest form, it is called select one: 0 a. sub-bituminous b. lignite c. bituminous d. antrhacite next page

Ascientist is investigating the effects of salinity on fish development. he places fertilized fish eggs in an aquarium that contains low salinity and observes their development. what factor would improve experimental design the most? place the fish eggs in the open ocean because that is the natural habitat include another aquarium that has normal salinity to compare to the low salinity aquarium include an aquarium that replaces salt with sugar to confirm that the effects are specific to salt grow algae with the fish eggs in order to provide adequate nutrients to the developing embryos

How do demetri's results show that digestive enzymes are crucial to maintaining homeostasis inside the body?