The molecule necessary for respiration to occur in both plants and animals is NADH or Nicotinamide Adenine Dinucleotide Hydride. This compound is necessary for cellular development and energy production: It's crucial to produce energy from the food one consumes. It's also the principal carrier of electrons in the energy-producing process in the cells.
OR
Cellular respiration requires energy from an organic source (ie- glucose and oxygen). Without these, the reactions cannot take place. Oxygen is also needed. It acts as the final electron acceptor in electron transport.
0.12 J/kg . K
Explanation:
Given parameters:
Mass of metal = 20g
Quantity of energy = 30J
Temperature = 12.5K
Unknown:
specific heat = ?
Solution:
The specific heat of a substance is the amount of heat required to raise the temperature of a 1g of the substance by 1K
It is given as:
C = 
input the parameters:
C =
= 0.12 J/kg . K
learn more:
specific heat brainly.com/question/7210400
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