Question

what are the three different temperature scales?

Explanation:

Temperature scales are used to measure temperature. Celsius (°C) is commonly used in most countries for daily purposes. Fahrenheit (°F) is used in the United States for some applications. Kelvin (K) is the base unit of temperature in the International System of Units (SI), often used in scientific contexts.

Answer:

Celsius (°C), Fahrenheit (°F), Kelvin (K)