Why is still water an ideal environment for the formation of mold and cast fossils? A) Sediment builds up over organisms.
B) Sediment turns organisms into rock.
C) Hard tissue decays under sediment.
D) Soft tissue is preserved under sediment.

Atrain departs from its station at a constant acceleration of 5 m/s. what is the speed of the train at the end of 20s?

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

Rohit is trying to tune an instrument