Answers An object is heated from 30oC to 57oC. The increases in its temperature on the… An object is heated from 30oC to 57oC. The increases in its temperature on the kelvin scale is A. 17k B. 27k C. 81k D. 246k E. 300k Correct Answer: Option E Explanation 57oC – 30oC = (27 + 273) = 300k
Answers In commensalism In commensalism A. one of the organisms gains and the other loses B. both organisms benefit from the… Read More
Answers The soil becomes toxic to plants when the concentration of its essential elements is in… The soil becomes toxic to plants when the concentration of its essential elements is in the range labelled… Read More
Answers Derived demand is normally used with reference to Derived demand is normally used with reference to A. superior goods B. inferior goods C. the cost of… Read More
Answers The number of particles in one mole of a chemical compound is the The number of particles in one mole of a chemical compound is the A. atomic number B. avogadro’s… Read More
Answers A particle is injected perpendicularly into an electric field, it travels along a curved path… A particle is injected perpendicularly into an electric field, it travels along a curved path as depicted in… Read More