Earth/Space Science: Which curve best represents a blue star?

A. Curve 1
B. Curve 2
C. Curve 3
D. Curve 4

Ammonia enters the expansion valve of a refrigeration system at a pressure of 10 bar and a temperature of 18oc and exits at 6.0 bar. the refrigerant undergoes a throttling process. determine the temperature, in oc, and the quality of the refrigerant at the exit of the expansion valve.

Apersons beliefs and general outlook, which act like filters on the information they receive are called ?

Explain what will happen if decomposers were apsent from a forest ecoysystem.