B I’m pretty sure ! Hope this helped
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:
Meteorological observatory of the Pio College (observatorio meterorologico del colegio pio) was started in the 7 May 1982. This network station mainly covers the area of 30th degree of southern latitude with the tips of Atlantic ocean.
The montevideo residents are glad about its reopening because this station has the ability to recognize the dangerous storms. The early warning signs are generated about the storms that might affect the near by area of the locality.
Answer:
Dark reaction takes place with the presence or absence of sunlight. Light reaction is considered as the light dependent reaction. Light reaction is also called as photo-chemical phase
Explanation:
brain leist bhe ty:)

Last option: Preserve an ecosystem

• The establishment of a bird reservation is a way to preserve an ecosystem because reservation provides suitable environment to organism. A healthy ecosystem means large number of biodiversity.