Answer:
the answer is true
Explanation:
as sound travels through the air it creates a disturbance in the particles of the medium
#48 might be (A) but in not for sure
Wat is considered a compound of hydrogen and oxygen and not a mixture because hydrogen and oxygen have gone through a chemical process to form the compound h2O. A mixture can generally be easily separated whereas a compound must undergo another chemical process to separate its elements. Therefore to separate oxygen and hydrogen from water a chemical process is necessary.
Answer:
i think its b but i could be wrong
Explanation:
