The majority of illegal marijuana production takes place in North America is on the Western Coasts of the United States and Canada.
Marijuana farmers grew 22.3 million pounds of marijuana in 2006 in America. Most marijuana is produced for local, in-state use. According to National Survey on Drug Use and health, California contains 13.25% of annual marijuana users in the United States.
Internal and external = physical and emotional
Answer:
D. simple main effect of gender.
Explanation:
A simple main effect refers to the effect that one independent variable has at various different levels of a second independent variable. In this example, Reba is examining the interaction between age and gender. However, she mainly focuses on the effect of a single variable (gender) at various levels of a second variable (different ages). This type of research allows researchers to have a more complete view of the phenomenon at hand.
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