People of all ages were impacted by the expansion and availability of the internet in 1990s. this is an example of what kind of effect? a. aging effect b. modernization effect c. period effect d. cohort effect e. none of the above

How is the male reproductive system different from other body systems? it isn’t necessary to vital signs. it monitors other body systems, and adjusts if necessary. it transports items from one system to another. it is the only system that produces hormones in the male.

Which would be the most useful source of evidence to support mcneill's contention?

Fredrick griffith made a scientific discovery in 1928