A heat engine is a device that uses heat to produce useful work.
Answer:
The periodic table illustrate some of the elements from Hydrogen to Calcium
The monomer of glucose makes up all carbohydrates
There was a supercontinent called Pangea
Answer: The speed at the first quarter checkpoint is 0.74 m/s. The speed at the second quarter checkpoint is 1.40 m/s. The speed at the third quarter checkpoint is 1.61 m/s. The speed at the finish line is 1.89 m/s.
Explanation: I did the assignment and got it correct :)