Double-click the russian river 2004 placemark. what type of feature is the placemark on?
a. tombolob. sea stackc. baymouth bard. barrier island

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.

Diamond will scratch quartz. true or false

Gas cloud 1 is likely to form a star. gas cloud 2 is not. based on this information, match the given conditions with each cloud