Choose the Best Answer

question 128

Multiple Choice

Choose the best answer.
-You might go ice skating if the outside temperature is about

• A) 11° C.
• B) -1° C.
• C) 21° C.
• D) -41° C.

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Definitions:

Hydrogen

A chemical element with the symbol H and atomic number 1, known as the lightest element in the universe and a primary component in water molecules.

Commercial Energy

Energy produced and sold for profit, including electricity, natural gas, and other fuels used in the industrial, commercial, and residential sectors.

Wasted

Resources or potential that is not effectively utilized or is discarded without beneficial use.

Tankless

Refers usually to water heaters that do not store hot water but heat it instantly on demand.