Many lichens are composed of fungi and algae. the fungi get sugars from the algae, and the algae get water, minerals, and proteins from the fungi. which of the following terms best describes the relationship between the organisms in the lichens? a. commensalism b. competition c. mutualism d. parasitism

Asample of a gaseous substance changes into a liquid

The solar panels used by mark function because of the photoelectric effect. light shines on the cells causing electrons to be ejected from the metal, which produces an electric current. at night on mars, no light will fall on the solar cells and no electric current will be generated. according to your notes, what type of light is typically needed to cause the photoelectric effect? a)visible b)ultraviolet c)infrared

If an astronaut takes an object to the moon the following is true (choose only one). a the mass will change but the weight will be the same. b both the mass and the weight of the object will be the same. c the weight will change but the mass will be the same. d both the mass and the weight of the object will change.