To prevent the backflow of blood, veins are closed by ________.

When should the child's FIRST visit to the dentist occur?

A) 0–6 months B) 6 months–1 year C) 1–2 years D) 2–3 years

Some companies provide a discount on health insurance for employees who meet certain health indicators, while other companies charge higher rates for health insurance for employees who fail to meet certain health indicators

Indicate whether the statement is true or false.