Answer:
atoms can't be created nor can be destroyed.
atoms cat be broken down into smaller pieces.
all atoms of an element are identical.
chemical reactions cause atoms to be rearranged.
the Doppler effect
it is the change in frequency or wavelength of a wave for an observer moving relative to its source
Answer:
A is "The author had only a short lunch period, and it was difficult to clean up dishes after heating lunch using saucepans. "
B is "For a week, I battled with messy saucepans and sticky wooden spoons to heat my lunch each day."
C is " Both texts state that it is easy to take for granted things that make life easier. "
Explanation:
