Answer:
Explanation:
The frequency equation is
where f is frequency measured in Hz, v is velocity of sound measured in m/s and 
is wavelength measured in meters. Filling in our given info:
and
so
(That is the incorrect number of sig dig's by the way. It should only be 2 since the number 340 only has 2 sig dig's)
Answer:
They are changes in bonding energy between the molecules. If heat is coming into a substance during a phase change, then this energy is used to break the bonds between the molecules of the substance. ... At the moment of melting the average kinetic energy of the molecules does not change.
Explanation:
Answer:
US Fish and Wildlife Service
Explanation:
The federal agency that helps foreign governments with international conservation efforts are the US Fish and Wildlife Service. This organization focus includes enforcing federal wildlife laws, protecting endangered species, manage migratory birds, restoring nationally significant fisheries; conserving and restoring wildlife habitat, such as wetlands, and even helping foreign governments with their international conservation efforts.
