daniellecastolee2909 daniellecastolee2909

09-05-2024
Physics

contestada

?
When R-12 (or "Freon") was phased out in the mid 1990's, what
refrigerant became the most commonly used in the early 2000's?
R-134a
OR-152a
OR-744
OR-1234yf
Select the correct answer.

Respuesta :

Otras preguntas

One molecule of the oxide of element Z reacts with six molecules of water to produce an acidic compound. What is element Z ?

based on the numbers in the table,which equation describes the value of y in terms of x which is the right answer A. y=x+2 B. y=3x C. y=x^2+3 D. y =4x-1

Hector asks for tips on improving his writing. Based on what you've learned about good writing, what advice would best help him? He could 1)________ and 2)___

What was the general attitude of many Americans toward the U.S. purchase of Alaska from Russia?

how can a compass needle be used as a tester

1. Ben buys a life insurance policy to help pay for his wife's expenses after his death. Ben is the A. beneficiary. B. insurer. C. premium.

Static stretches are part of an effective cool down because they can help a. improve performance b. decrease blood flow c. prevent overload d. increase range o

Leonard is stressed and feeling overwhelmed by the college selection process. What should he do to combat this problem? Go out for a hamburger, fries, and supe

What is the area formula of (A=1xw)?

what does the temporal lobe do?