What is human-environmental interaction

Asocial scientist is interested in determining if there is a significant difference in the proportion of republicans between two areas of town. he takes independent random samples of 200 families in each area of town and a significance test was conducted. the p-value was 0.0156. what should be our conclusions?

Children begin to use tools at about what age? a. 18 months b. 2 years c. 1 year d. 6 months

Give an example of a situation in which an individual's pursuit of economic self-interest may not benefit but instead harm the rest of society