1.i am superman
2.175 175 175
3.em dilisues
4.bye classmate magbabalik pa ako
Answer:
Answer is D
Explanation:
a and b have ignorance so we cancel them ,c has no knowledge so it's wrong and the remaining is D so D I the correct answer
Answer Explanation:
CASCADE REFRIGERATION SYSTEMS :
cascade refrigeration systems are commonly used in the liquefaction of natural gas and some other gases
- cascade refrigeration system is also known as freezing system. It uses two types of refrigerants having different boiling points.
- this system is employed to obtain temperature of -40 to -80
- It allows stable ultra low temperature operation
examples of cascade refrigeration system: LNG (Liquefied natural gas ) plants mostly used cascade refrigeration system
ADVANTAGES OF CASCADE REFRIGERATION SYSTEMS:
- energy is saved because the system allows the use of refrigerant gases
- the running cost is inexpensive
- repair is easy
Answer:
The peregrine falcon of North America is the fastest known bird, with diving speeds of over 250 mph.
Explanation: