During puberty you need more food and ?

1. oxygen to grow
2.carbon dioxide to grow
3.nitrogen to grow

What is the name of the device that senses the current flowing,tripping the circut,and cutting off the electricity

Which of the following represents the results of a review of well-controlled studies of vitamin c supplementation on the resistance to, and recovery from, colds? there was a reduction in the duration of colds by 50% on the average. there was a slight effect on reducing the duration and severity of colds for people taking vitamin c supplements. there was a significant reduction in the duration of colds in people who consumed at least one gram a day. there was a significant reduction in the number of colds only in people who consumed > three grams per day.

If you have a stage 1 tumor, what would this indicate? that the tumor is confined to the organ where it started. that the tumor has grown into the surrounding tissue. that the tumor has invaded the lymph nodes. that the cancer has spread throughout the body.