Explanation:
6. Converge or come together
7. convex
Answer:
A heat engine is a device that converts internal energy into work. Internal energy is increased by the addition of heat. The efficiency of a heat engine is a measurement of how efficiently it works. Efficiency compares the amount of useful energy extracted from a process to the total energy input. The heat engine will be more efficient if the percentage is higher.
Explanation:
Answer:
The "2" tells us that there are 2 hydrogen atoms in this compound.
Explanation:
Explanation:
its either a or d however i say the best choice is d