Apt A piece of chalk becomes shorter as it is used. Which of the following is NOT true of the shorter piece of chalk? A. Its mass has changed.
B. Its shape has changed.
C. Its volume has changed.
D. Its characteristic properties have changed.

Nickel crystallizes in the face-centered cubic (fcc) lattice. the density of the metal is 8902 kg/m3. calculate the radius of a nickel atom.

Why does a cake rise when you bake it? ♡

City a and city b had two different temperatures on a particular day. on that day, four times the temperature of city a was 8â° c more than 3 times the temperature of city b. the temperature of city a minus twice the temperature of city b was â’3â° c. what was the temperature of city a and city b on that day? city a was 5â° c, and city b was 4â° c. city a was 3â° c, and city b was â’1â° c. city a was 8â° c, and city b was â’3â° c. city a was 5â° c, and city b was â’5â° c.