4. calculate the specific heat for a 20 g piece of metal if 30 j of energy is
required to raise its temperature by 12,5 k.
a. 0.12 j/kg •k
c. 120 j/kg. k
b. 7.5 j/kg . k
d. 48 kj/kg. k

good thing- during decomposition the organic molecules in organic matter are broken down into simpler organic molecules that require further decomposition or into mineralised nutrients

bad thing- it can be harmful in crop productivity