Answer:
465m.
Explanation:
Convert all units to meters. So,
328 + 137 = 465m.
The answer is definitely C.) their molecules move at the same average speed
Answer: because there is no displacement or movement in the watchman's work. according to science when displacement or movement take place it is said to be work. hope this helps you.
Answer:
What is a Pure Substance?
Explanation:
It is something which cannot be divided into parts by physical means, as it's all made up of the same thing. Pure substances are either elements or compounds. Elements can NOT be separated into other types of matter (physically or chemically).