Which variety of moth, c or y, is more likely to be killed by insect eating birds?

variety of moth:

reason:

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.

Acar drives toward the right over the top of a hill, as shown below. which arrow represents the centripetal acceleration? w x y z

This is for my 8th grade science class, i really don’t understand. can someone me? , lol.