Examlex
At around 24 months of age, toddlers begin to combine spoken words into two-word phrases for the first time.These combinations are called __________.
Research Methods
Systematic techniques used to conduct, measure, analyze, and validate research findings and theories.
Epidemiology
The study of how diseases spread and can be controlled in populations.
Psychology
The scientific study of the mind and behavior, encompassing various aspects of conscious and unconscious experience as well as thought.
Smoking
The act of inhaling and exhaling the smoke of tobacco or other substances, which is a major risk factor for various diseases, including lung cancer.
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