HVAC, which stands for Heating, Ventilation and Air Conditioning, is very useful in countries with 4 seasons. During summer, they use air conditioning; during winter, they use heat pumps. The capacity of HVACs are usually expressed in tons. 1 ton is equal to 12,000 BTU/h. For residential heating systems, the capacity usually ranges from 1-5 tons.
Answer:
A.
Explanation:
I think it should be A. Which is a military alliance with the United States.
Similarities were their geography, religion, temples and technology. Differences are the way they approached death and prepared for the afterlife, their religion, and the Sumerians were one of the first peoples to develop a system of writing.
There are many skills and attributes that can make a good teacher depending on the subject, the grade level, the types of students they will be teaching and where they are teaching. The main things that I find important in a good teacher are: an active listener, reliable, ability to give constructive feedback, available, caring, understanding, and adaptable. Teacher's will have upwards of 30+ students in a class at once who come from different backgrounds and knowledge. It's important for them to be able to posses skills that allow them to teach to many different types of people and learners.