Answer:
Despite the availability of cleaner energy sources, most of the energy used to power American homes comes from the
burning of fossil fuels such as coal and oil. The burning of fossil fuels releases carbon dioxide into the air. Carbon dioxide
is a greenhouse gas that contributes to climate change.
Why do you think it's a challenge to reduce fossil fuel usage in homes in the United States? How could the use of fossil
fuels affect the biodiversity in neighborhoods and the surrounding ecosystems?
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Part B: Conduct Background Research
Research is the first step in engin
The velocity (speed) of a sound wave (any wave in fact) is related to its frequency and wavelength by the equation . This is easy to remember since it's a distance divided by a time because frequency is the inverse of the period.
Since for sound traveling through the given solid object we have that and , the speed of sound will be:
this is what i looked up and got
Answer:
can you tell question in English your launguage I can't understand
in lakes or wetland such as marshes or swamps
