Nine-year-old Chen refuses to sleep in her own room after her parents' divorce. Instead, she climbs into her mother's bed each night and refuses to leave. Chen's behavior is an example of what ego defense mechanism

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

As of 2013, the world’s total population was about

Which best describes california population when it became a state in 1850? a.because of the gold rush attracting settlers all over the world california population diverse.bcalifornia had banned foreign immigrants at the start of the gold rush.so,the states population was made up of entirely of americans from other parts of the country.c california had a large african population because many southern planters had moved their enslaved africans to start large farms.d the indian removal act had led to the relocation of thousands of eastern native americans to california.as,a result the majority of californias population was native american