RADIATION: Both conduction and convection require matter to transfer heat. ... Thermal radiation (often called infrared radiation) is a type electromagnetic radiation (or light). Radiation is a form of energy transport consisting of electromagnetic waves traveling at the speed of light.
Answer:
C
Explanation:
Food molecules (carbohydrates, protein, and lipids) are digested into sugar molecules, fatty acids, and amino acids by the action of enzymes. These nutrients are consumed in catabolic reactions to produce the energy required by the cells. ... They generate energy only in the absence of glucose or fat in the body.
