Before 1994, Most Automotive A/C Systems Used a Refrigerant Called

question 52

Essay

Before 1994, most automotive A/C systems used a refrigerant called ____________________.

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Definitions:

Connective Tissues

Tissues in the body that support, bind together, or separate other tissues and organs, characterized by few cells and substantial extracellular matrix.

Bone and Cartilage

Connective tissues in the body, where bone is hard and dense, providing structure and support, while cartilage is more flexible and cushions joints.

Lacunae

Small cavities in bone or cartilage tissue housing cells like osteocytes or chondrocytes.

Simple Squamous Epithelium

A single layer of flat cells lining surfaces where diffusion or filtration occurs, such as the alveoli in the lungs.