Preschoolers Jordan and Dennis were throwing sticks at other students on the playground, so their teacher made them sit on the sidewalk for five minutes, taking them away from the fun activities on the playground. Their teacher was using

All of the following are factors related to earlier sexual activity during adolescence EXCEPT

A) higher income. B) poor impulse control. C) poor parental monitoring. D) living in a single-parent home.

What type of intervention involves subjecting the cancerous part of the body to toxic substances intended to poison the cancer cells?

a. chemotherapy b. radiation therapy c. angiogenesis inhibitors therapy d. gene therapy