Which is a true statement regarding the law of mass balance? a. solids, gases, and liquids have their own specific equations for the law of mass balance. b. when the body converts a nutrient to another substance, there is no effect on mass balance. c. the law of mass balance applies to the input/output relationship of solids, liquids, and gases. d. the law of mass balance states that substances in the body are kept at constant levels because the human body is a closed system.

b. when the body converts a nutrient  to another substance, there  is no effect on mass balance.

Explanation:

The law of mass balance states that the mass stays the same in any chemical reaction, that is the reason why a nutrient in human body transforms to another substance like another substance, into muscles (that has mass), a body fluid ( that has mass) or another substance, but the total mass will keep the same, just in a different shape, nature or state.

answer; (d) spontaneous processes are characterized by the overall conversion of order to disorder;

scorpions are,

c.arachnids

  scorpions are animals in the order scorpiones, under the class arachnida, which makes them a distant cousin of spiders

happy to

pls mark as brainliest.