I answer is c just use your context clues
Answer:
when an ambulance passes with its siren blaring, you hear the pitch of the siren. The siren's pitch sounds higher than when it is moving away from you.
So while the siren produces waves of constant frequency, as it approaches us
Explanation:
Answer:
old man : my boy thanks for taking care of me
boy: owww your welcome (he smiled)
old man : I'm getting older and older I'm not hyperactive like you
boy: yeah you're right, my teacher said that ww have to help old people who can't do things them selves
old man : yeah that's good, even you your growing some will help you my dear ( hugging the boy)
boy : thanks grandpa
I disaggre because depending on the photo depends on the impact. If the phototismocking someone it is not harmless.But if a regaluar photo yes it is harmless.