Answer:
Explanation:
Given
Initially Reading on the odometer is
Final reading on the odometer is
Time taken is
average velocity
Thus the average velocity of mail truck is
zero? Explain your answer.
5. Describe what happens, at the molecular level, during melting.
6. Describe what happens, at the molecular level, when a substance boils.
7. What is the most common phase of matter in the universe?
8. What is plasma? Where can you find plasma?
Answer:
words
Explanation:
the number of neutrons in two atoms of an element
B.
the number of electrons in the outer layer of any atom
C.
the number of protons in every atom of an element
D.
the number of protons plus the number of neutrons in an atom