Astudent estimated a mass to be 250 g but, upon carefully measuring it, found the value to be 240 g. what is the percent error of the estimated mass if the measured value is the accepted one? a.4.0% b. 4.2% c. -4.2% d. -4.0%

Organisms that live in the alpine and taiga biomes have developed unique adaptations that aid in their survival. moss campion is one of the plants found in the alpine biome. it has small leaves and a cushion shape that protect it from the wind and freezing temperatures in the alpine. how has the moss campion adapted to enable its survival in the alpine biome? a. waxy needles b. cone-shaped c. thin trunks d. low-growing