Answer: yes we can
Explanation: becouse people lived before telaphones wher invented
Answer:
The speed of the train decreases to
after the loading is completed.
Explanation:
Since the linear momentum of the train is conserved in the direction of motion we can write

When gravel falls at a rate of
for a duration of
seconds the mass of gravel added becomes 
Applying the calculated values in the initial equation we have

Answer:
C- Samuel Clemens
Explanation:
Got it correct on Odessey
Out of the choices given, the word that is referred to as "the right to make others do things" is authority. This makes the correct answer B.