Professor Menendez conducted an experiment to investigate the effects of a new medication for treating the symptoms of obsessive-compulsive disorder. Explain why each of the following would be used in this experiment to help establish cause and effect.

ØRandom assignment

ØPlacebo condition

Forensic inspection of the rom or persistent memory does not include overwritten or erased text files e-mails sent web sites visited recently password-protected records

To communicate effectively, you must understand the various factors that can affect the exchange of messages and to use communication techniques that are most appropriate for each individual situation.

The earth's inner core is the earth's innermost part. it is primarily a solid ball with a radius of about 1,220 km (760 miles), which is about 70% of the moon's radius.[1][2] it is composed of an iron–nickel alloy and some light elements. the temperature at the inner core's surface is approximately 5,700 k (5,430 °c), which is about the temperature at the surface of the sun.