Change of color, change of temperature, change in the solubility, production of gas, production of light, electricity or precipitation. Release of heat. Explosion. Production of new compounds.
Answer:
A) a new type of refrigerant that is less damaging to the environment is developed. Applied development
B) a new element is synthesized in a particle accelerator. Basic development.
C) a computer is redesigned to increase the speed of the computer. Technological development.
Explanation: